BlackTreeIndependent security intelligence

Full vulnerability report · 2022

CVE-2022-2465High confidence

ISaGRAF Workbench Deserialization of Untrusted Data CWE-502

Rockwell Automation · ISaGRAF Workbench

8.6HighCVSS 3.1

Recommended action

Within 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Patch available

Direct vendor intelligence

Authoritative vendor CSAF and VEX advisories

Structured product status and remediation from the issuing vendor. Product-state explanations are always visible; large lists can be searched or downloaded.

1 current

SEVD-2022-284-03 · CSAF 2.0 · revision 2.0.0 · finalSchneider Electric CPCERTISaGRAF Workbench for SAGE RTU

3 known affected

The vendor explicitly identifies these products as affected by this CVE.

Rockwell Automation ISaGRAF Workbench Versions 6.0 through 6.6.9 optional component of Schneider Electric SAGE RTU C3414 CPU (Current) Versions prior to C3414-500-S02K5_P5
Rockwell Automation ISaGRAF Workbench Versions 6.0 through 6.6.9 optional component of Schneider Electric SAGE RTU C3413 CPU (Obsolete CPU) All firmware versions
Rockwell Automation ISaGRAF Workbench Versions 6.0 through 6.6.9 optional component of Schneider Electric SAGE RTU C3412 CPU (Obsolete CPU) All firmware versions

Summary: ISaGRAF Workbench software versions 6.0 through 6.6.9 are affected by a Deserialization of Untrusted Data vulnerability. ISaGRAF Workbench does not limit the objects that can be deserialized. This vulnerability allows attackers to craft a malicious serialized object that, if opened by a local user in ISaGRAF Workbench, may result in remote code execution. This vulnerability requires user interaction to be successfully exploited. Note: The CVSS score provided above is calculated in the context of SAGE RTU.
Remediation: Version C3414-500-S02K5_P5 of SAGE RTU CPU 3414 includes a mitigation for these vulnerabilities and is available for download here: https://www.sage-rtu.com/downloads.html Reboot of SAGE RTU is required after firmware upgrade. This mitigation disables the ISaGRAF listening TCP ports by default and provides an additional network service checkbox to allow customers to enable the ISaGRAF ETCP task, which will open the TCP listening ports to connect with ISaGRAF workbench when needed, and to disable the TCP listening ports when ISaGRAF Workbench development, debugging, and downloading tasks are complete. These vulnerabilities can only be exploited when users reopen the listening ports and connect with ISaGRAF workbench. These vulnerabilities only apply when a non-secure network is being used to perform development tasks in non-runtime applications. It is our recommendation to mitigate these vulnerabilities by performing all ISaGRAF workbench tasks on a secure network or on a private network when connecting to the device. OR If firmware is not upgraded to C3414-500-S02K5_P5, but customers are running firmware version C3414-500-S02K2 or above, then they should immediately apply the following mitigations to reduce the risk of exploit: If ISaGRAF is configured and in use, the built-in firewall can be used to disable ISaGRAF port 1131 and 1113 when the debugger is not in use. Use the following commands in the Firewall configuration to disable external access to ISaGRAF: Block in proto tcp from any to any port = 1131 Block in proto tcp from any to any port = 1113 If ISaGRAF is NOT configured and in use, the ISaGRAF port is by default not enabled and does not start automatically, therefore there is no impact of these vulnerabilities, and no further action is required by customers.

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-2022-34726

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

EUVD state: Present in the current official mapping
Known exploitation: Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score: Not supplied in the stored EUVD record
Advisory evidence: No linked advisory details stored yet

Recommended actionWithin 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Patch available

What, why and how

Rockwell Automation ISaGRAF Workbench software versions 6.0 through 6.6.9 are affected by a Deserialization of Untrusted Data vulnerability. ISaGRAF Workbench does not limit the objects that can be deserialized. This vulnerability allows attackers to craft a malicious serialized object that, if opened by a local user in ISaGRAF Workbench, may result in remote code execution. This vulnerability requires user interaction to be successfully exploited.

What

Why

Attacker-influenced serialised data is reconstructed as trusted objects, which can invoke dangerous application behaviour.

How

An attacker operating through local access may attempt exploitation without authentication after a user interaction. If successful, the issue may execute code or commands in the affected security context.

What

Why

Attacker-influenced serialised data is reconstructed as trusted objects, which can invoke dangerous application behaviour.

How

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.

No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material

Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.

None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path: local access → Deserialization of Untrusted Data → execute code or commands in the affected security context
Attack surface: Local
Privileges required: None: unauthenticated exploitation is possible
User interaction: Required interaction required
Attack complexity: Low: no specialised conditions are recorded
Security boundary: Changed: exploitation can affect a different security authority
Weakness ? CWE means Common Weakness Enumeration: a standard category for the underlying weakness.: CWE-502 ↗
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:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.
AVLocalAttack vector: The attacker needs local access to the vulnerable system.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRNonePrivileges required: The attacker does not need an account or existing privileges.UIRequiredUser interaction: Another user must perform an action for exploitation to succeed.SChangedScope: The attack can affect a component governed by a different security 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.

UnauthenticatedRemote code executionCWE-502

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

ENISA EUVD · EUVD-2022-34726Official EUVD mapping

0 linked advisory records.

Official EUVD record

CERT-FR · French · CERTFR-2022-AVI-896Multiples vulnérabilités dans les produits Schneider Electric

De multiples vulnérabilités ont été découvertes dans les produits Schneider Electric. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, un déni de service à distance et un contournement de la politique de sécurité.

Official advisory

Patch and workaround

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.: Patch available
Affected: Rockwell Automation ISaGRAF Workbench Versions 6.0 through 6.6.9 optional component of Schneider Electric SAGE RTU C3414 CPU (Current) Versions prior to C3414-500-S02K5_P5; Rockwell Automation ISaGRAF Workbench Versions 6.0 through 6.6.9 optional component of Schneider Electric SAGE RTU C3413 CPU (Obsolete CPU) All firmware versions; Rockwell Automation ISaGRAF Workbench Versions 6.0 through 6.6.9 optional component of Schneider Electric SAGE RTU C3412 CPU (Obsolete CPU) All firmware versions
Fixed: Schneider Electric SAGE RTU C3414 CPU (Current) Version C3414-500-S02K5_P5
Action: Version C3414-500-S02K5_P5 of SAGE RTU CPU 3414 includes a mitigation for these vulnerabilities and is available for download here: https://www.sage-rtu.com/downloads.html Reboot of SAGE RTU is required after firmware upgrade. This mitigation disables the ISaGRAF listening TCP ports by default and provides an additional network service checkbox to allow customers to enable the ISaGRAF ETCP task, which will open the TCP listening ports to connect with ISaGRAF workbench when needed, and to disable the TCP listening ports when ISaGRAF Workbench development, debugging, and downloading tasks are complete. These vulnerabilities can only be exploited when users reopen the listening ports and connect with ISaGRAF workbench. These vulnerabilities only apply when a non-secure network is being used to perform development tasks in non-runtime applications. It is our recommendation to mitigate these vulnerabilities by performing all ISaGRAF workbench tasks on a secure network or on a private network when connecting to the device. OR If firmware is not upgraded to C3414-500-S02K5_P5, but customers are running firmware version C3414-500-S02K2 or above, then they should immediately apply the following mitigations to reduce the risk of exploit: If ISaGRAF is configured and in use, the built-in firewall can be used to disable ISaGRAF port 1131 and 1113 when the debugger is not in use. Use the following commands in the Firewall configuration to disable external access to ISaGRAF: Block in proto tcp from any to any port = 1131 Block in proto tcp from any to any port = 1113 If ISaGRAF is NOT configured and in use, the ISaGRAF port is by default not enabled and does not start automatically, therefore there is no impact of these vulnerabilities, and no further action is required by customers.
Workaround: A mitigation or workaround reference is available from the source linked below; validate it against the affected product and version.

Evidence and provenance

Published 25 Aug 2022 · Last source change 16 Apr 2025, 17:49 UTC · CWE-502 · Deserialization of Untrusted Data

CVE recordCVE.org · 5.1

CVSS sourceCNA

EPSS source

The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.

FIRST · tracked since 2026-08-14

European sourceENISA EUVD · EUVD-2022-34726

Product sourceVendor CSAF · Schneider Electric CPCERT

Remediation sourceVendor CSAF · Schneider Electric CPCERT

CWE sourceCNA

NVD statusNVD modified after enrichment

Core structured fields are present and their contributing authorities are shown above.

Material change intelligence

What changed after publication

View recent updates →

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

2022-08-25CVE published

2025-04-16Fixed release or patch reference recorded

ENISA EUVD · EUVD-2022-34726↗Vendor CSAF · Schneider Electric CPCERT↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗

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.