Oracle WebLogic Server Deserialization of Untrusted Data Vulnerability
Oracle · WebLogic Server
9.8CriticalCVSS 3.1
Recommended action
Patch now
CISA confirms exploitation in the wild and lists 2022-05-03 as the remediation due date.
Patch available
Distribution package intelligence
Ubuntu vendor package status
Canonical’s release and source-package findings are shown separately from local repository availability.
1 package state
Repository candidate not checked
A published vendor fix does not prove that a matching update is enabled and installable on a particular asset. Confirm the local package candidate before scheduling remediation.
Ubuntu release
Source package
Vendor state
Fixed version
Evidence
Ubuntu 24.04 LTSnoble · standard archive
openjdk-8
Under evaluationCanonical reports that the package might be affected and still needs evaluation or fixing.
National CERT insights ?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.
Select the national-authority views to include. The exact source language is shown on each matched advisory. Your choice is remembered on this device and encoded in the shareable URL.
Official European source
ENISA European Vulnerability Database
Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.
1 current
ENISA EUVD identifier
EUVD-2015-4869
CISA KEV mirrored by ENISA
The WLS Security component in Oracle WebLogic Server 10.3.6.0, 12.1.2.0, 12.1.3.0, and 12.2.1.0 allows remote attackers to execute arbitrary commands via a crafted serialized Java object in T3 protocol traffic to TCP port 7001, related to oracle_common/modules/com.bea.core.apache.commons.collections.jar. NOTE: the scope of this CVE is limited to the WebLogic Server product.
EUVD state
Present in the current official mapping
Known exploitation
Recorded by ENISA since 3 Nov 2021. Evidence sources: cisa_kev.
ENISA score
9.8 · CVSS 3.1
Advisory evidence
4 linked advisory records
Explicit mitigation evidence
Only statements that explicitly mention a fix, patch, update, workaround or mitigation are shown here.
csaf_suse · SUSE-SU-2025:02056-1Security update for apache-commons-beanutils
Recommended actionPatch now
CISA confirms exploitation in the wild and lists 2022-05-03 as the remediation due date.
Patch available
01
What, why and how
Oracle WebLogic Server contains a deserialization of untrusted data vulnerability within Apache Commons, which can allow for for remote code execution.
What
Oracle WebLogic Server contains a deserialization of untrusted data vulnerability within Apache Commons, which can allow for for remote code execution.
Why
Attacker-influenced serialised data is reconstructed as trusted objects, which can invoke dangerous application behaviour.
How
An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may execute code or commands in the affected security context.
What
Oracle WebLogic Server contains a deserialization of untrusted data vulnerability within Apache Commons, which can allow for for remote code execution.
Why
Attacker-influenced serialised data is reconstructed as trusted objects, which can invoke dangerous application behaviour.
How
An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may execute code or commands in the affected security context.
02
Exploit reality and attack path
CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.
Observed exploitation ?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.Confirmed in the wild
CISA added this CVE to its Known Exploited Vulnerabilities catalogue on 2021-11-03.
Public PoC / exploit material ?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.Reference recorded
A structured CVE source labels at least one public reference as exploit material. BlackTree has not independently validated that it is safe, reliable or weaponised.
Likely attack path
a network path → Deserialization of Untrusted Data → execute code or commands in the affected security context
Attack surface
Network
Privileges required
None: unauthenticated exploitation is possible
User interaction
None
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness ?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-502: Deserialization of Untrusted Data. The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
CVSS vector ?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.
AVNetworkAttack vector: The vulnerable component can be reached over a network.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRNonePrivileges required: The attacker does not need an account or existing privileges.UINoneUser interaction: No action by another user is required.SUnchangedScope: The security impact remains within the vulnerable component's authority.CHighConfidentiality impact: A successful attack can cause a major loss.IHighIntegrity impact: A successful attack can cause a major loss.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
After compromise, an attacker may use built-in shells, scripting engines, scheduled tasks and native network utilities for discovery, persistence or movement. This is a plausible LoTL path, not evidence that it has occurred for every attack.
Only matched European and national findings are included. Language selectors and unavailable sources are omitted.
ENISA EUVD · EUVD-2015-4869Known-exploited evidence recorded
The WLS Security component in Oracle WebLogic Server 10.3.6.0, 12.1.2.0, 12.1.3.0, and 12.2.1.0 allows remote attackers to execute arbitrary commands via a crafted serialized Java object in T3 protocol traffic to TCP port 7001, related to oracle_common/modules/com.bea.core.apache.commons.collections.jar. NOTE: the scope of this CVE is limited to the WebLogic Server product.
Official EUVD record ↗BSI · German · WID-SEC-2022-1738IBM InfoSphere Information Server: Mehrere Schwachstellen
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in IBM InfoSphere Information Server ausnutzen, um seine Privilegien zu erweitern, beliebigen Programmcode auszuführen, einen Cross-Site-Scripting-Angriff durchzuführen, Informationen offenzulegen, einen Denial of Service Zustand herbeizuführen, Dateien zu manipulieren oder Sicherheitsvorkehrungen zu umgehen.
Official advisory ↗BSI · German · WID-SEC-2022-1375JFrog Artifactory: Mehrere Schwachstellen
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in JFrog Artifactory ausnutzen, um seine Privilegien zu erweitern, beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen und einen Denial-of-Service-Zustand auszulösen.
Official advisory ↗CERT-FR · French · CERTFR-2017-AVI-120Multiples vulnérabilités dans Oracle Sun Systems Products Suite
ystems Products Suite . Certaines
d'entre elles permettent à un attaquant de provoquer une exécution de
code arbitraire à distance, un déni de service à distance et une
atteinte à l'intégrité des données.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des
correctifs (cf. section Documentation).
Documentation
Bulletin de sécurité Oracle cpuapr2017-3236618 du 18 avril 2017
http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html
Bulletin de sécurité Oracle cpuapr2017verbose-3236619 du 18 avril 2017
http://www.oracle.com/technetwork/security-advisory/cpuapr2017verbose-3236619.html#SUNS
Référence CVE CVE-2015-4852
https://www.cve.org/CVERecord?id=CVE-2015-4852
Référence CVE CVE-2015-7501
https://www.cve.org/CVERecord?id=CVE-2015-7501
Référence CVE CVE-2016-3607
https://www.cve.org/CVERecord?id=CVE-2016-3607
Référence CVE CVE-2016-5019
https://www.cve.org/CVERecord?id=CVE-2016-5019
Référence CVE CVE-2016-5551
https://www.cve.org/CVERecord?id=CVE-2016-5551
Référence CVE CVE-2017-3474
https://www.cve.org/CVERecord?id=CVE-2017-3474
Référence CVE CVE-2017-3497
https://www.cve.org/CVERecord?id=CVE-2017-3497
Référence CVE CVE-2017-3498
https://www.cve.org/CVERecord?id=CVE-2017-3498
Référence CVE CVE-2017-3510
https://www.cve.org/CVERecord?id=CVE-2017-3510
Ré
Official advisory ↗CERT-FR · French · CERTFR-2015-AVI-484Multiples vulnérabilités dans Oracle WebLogic Server
De multiples vulnérabilités ont été corrigées dans Oracle WebLogic Server . Elles permettent à un
attaquant de provoquer une exécution de code arbitraire à distance.
Official advisory ↗JVN iPedia · Japanese · JVNDB-2015-005968Oracle WebLogic Server の WLS Security コンポーネントにおける任意のコマンドを実行される脆弱性
Oracle WebLogic Server の WLS Security コンポーネントには、oracle_common/modules/com.bea.core.apache.commons.collections.jar に関する処理に不備があるため、任意のコマンドを実行される脆弱性が存在します。 本脆弱性の範囲は WebLogic Server 製品に限定されています。 補足情報 : CWE による脆弱性タイプは、CWE-77: Improper Neutralization of Special Elements used in a Command (コマンドインジェクション) と識別されています。 http://cwe.mitre.org/data/definitions/77.html
Official advisory ↗JVN iPedia · Japanese · JVNDB-2015-005930Apache Commons Collections ライブラリのデシリアライズ処理に脆弱性
Apache Commons Collections (ACC) ライブラリのデシリアライズ処理には脆弱性があります。Java アプリケーションが ACC ライブラリを直接使用している場合やクラスパス指定でアクセスできる範囲に ACC ライブラリが設置されている場合、任意のコードを実行させられる可能性があります。 Apache Commons Collections (ACC) ライブラリ http://commons.apache.org/proper/commons-collections/ 信頼できないデータのデシリアライズ (CWE-502) 2015年1月に開催された AppSec California 2015 において、Gabriel Lawrence 氏と Chris Frohoff 氏は、信頼できないデータをデシリアライズしてしまう脆弱性について講演し、任意のコードを実行可能であることを示しました。シリアライズ機能の使い方が適切でないすべての Java アプリケーションや Java ライブラリが本脆弱性の影響を受けます。 信頼できないデータのデシリアライズ (CWE-502) http://cwe.mitre.org/data/definitions/502.html Gabriel Lawrence 氏と Chris Frohoff 氏の講演 http://frohoff.github.io/appseccali-marshalling-pickles/ 2015年11月に Foxglove Security の Stephen Breen 氏は、この問題が Apache Commons Collections (ACC) ライブラリに存在すること、特に、信頼できないデータのデシリアライズに InvokerTransformer クラスを使用している場合に任意のコードを実行させられる可能性があることを指摘しました。ACC ライブラリを使用するソフトウェアである、WebSphere、Jenkins、WebLogic、OpenNMS なども影響を受けます。 Foxglove Security の Stephen Breen 氏 (What Do WebLogic, WebSphere, JBoss, Jenkins, OpenNMS, and Your Application Have in Common? This Vulnerability.) http://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-opennms-and-your-application-have-in-common-this-vulnerability/ Jenkins https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2015-11-11 WebLogic http://www.oracle.com/technetwork/topics/security/alert-cve-2015-4852-2763333.html?elq_mid=31793&sh=&cmid=WWSU12091612MPP001C179 ACC ライブラリ バージョン 3.2.1、4.0 の両方が本脆弱性の影響を受けます。 バージョン 3.2.1、4.0 https://blogs.apache.org/foundation/entry/apache_commons_statement_to_widespread Apache Software Fondation は本脆弱性に関する公式見解をブログに掲載しました。ここには、対策に関するアドバイスや関連情報へのリンクなども掲載されています。また、本脆弱性に関するエントリ (COLLECTIONS-580) がバグ管理システム上に作られています。 公式見解 https://blogs.apache.org/foundation/entry/apache_commons_statement_to_widespread 本脆弱性に関するエントリ (COLLECTIONS-580) https://issues.apache.org/jira/browse/COLLECTIONS-580 ACC 以外に、Groovy や Spring などについても同様の問題の調査が行われています。Lawrence 氏と Frohoff 氏の発表資料には、Java だけでなく Python や Ruby などで書かれたアプリケーションやライブラリにおいても同様の問題が存在すると記載されています。使用するプログラミング言語やライブラリにかかわらず、ソフトウェアを設計する段階から、データのシリアライズ機能について十分に考慮することが重要です。
Operational remediation based on structured source evidence.
Status ?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Review the linked authoritative reference and apply the recorded fixed release appropriate to the affected product branch.
Workaround
No verified workaround is recorded. If business-safe, reduce exposure to the affected interface and allow only trusted sources until authoritative guidance is available.
04
Evidence and provenance
Published 18 Nov 2015 · Last source change 21 Oct 2025, 23:55 UTC · CWE-502 · Deserialization of Untrusted Data
CVE recordCVE.org · 5.1
CVSS sourceNIST NVD
EPSS source ?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.FIRST · tracked since 2026-09-01
European sourceENISA EUVD · EUVD-2015-4869
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceCISA ADP
NVD statusNVD enriched
Core structured fields are present and their contributing authorities are shown above.
Affected versionsThe structured affected or fixed version information changed.
Before
n/a · Fixed: An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
After
n/a: n/a · Fixed: An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
Vendor guidanceAuthoritative vendor guidance changed from no authoritative guidance recorded to authoritative remediation link · patch, vendor advisory.
Before
no authoritative guidance recorded
After
authoritative remediation link · patch, vendor advisory
Affected versionsThe structured affected or fixed version information changed.
Before
n/a · Fixed: No fixed version is explicitly recorded in the structured CVE data.
After
n/a · Fixed: An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
CVE-2015-4852: Oracle WebLogic Server Deserialization of Untrusted Data Vulnerability | BlackTree
