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Full vulnerability report · 2023
CVE-2023-1017High confidence

TPM2.0 vulnerable to out-of-bounds write

Trusted Computing Group · TPM2.0

7.8HighCVSS 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
SSA-337522 · CSAF 2.0 · revision 2 · interimSiemens ProductCERTSSA-337522: Multiple Vulnerabilities in TIM 1531 IRC before V2.4.8
2 known affected

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

  • SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0)
  • TIM 1531 IRC (6GK7543-1MX00-0XE0)
Summary
An out-of-bounds write vulnerability exists in TPM2.0's Module Library allowing writing of a 2-byte data past the end of TPM2.0 command in the CryptParameterDecryption routine. An attacker who can successfully exploit this vulnerability can lead to denial of service (crashing the TPM chip/process or rendering it unusable) and/or arbitrary code execution in the TPM context.
Remediation
Update to V2.4.8 or later version
Optional official sources

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-2023-23309

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
01

What, why and how

An out-of-bounds write vulnerability exists in TPM2.0's Module Library allowing writing of a 2-byte data past the end of TPM2.0 command in the CryptParameterDecryption routine. An attacker who can successfully exploit this vulnerability can lead to denial of service (crashing the TPM chip/process or rendering it unusable) and/or arbitrary code execution in the TPM context.

What

An out-of-bounds write vulnerability exists in TPM2.0's Module Library allowing writing of a 2-byte data past the end of TPM2.0 command in the CryptParameterDecryption routine. An attacker who can successfully exploit this vulnerability can lead to denial of service (crashing the TPM chip/process or rendering it unusable) and/or arbitrary code execution in the TPM context.

Why

A bounds error lets data be written beyond the intended memory region, potentially corrupting control data.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may execute code or commands in the affected security context.

What

An out-of-bounds write vulnerability exists in TPM2.0's Module Library allowing writing of a 2-byte data past the end of TPM2.0 command in the CryptParameterDecryption routine. An attacker who can successfully exploit this vulnerability can lead to denial of service (crashing the TPM chip/process or rendering it unusable) and/or arbitrary code execution in the TPM context.

Why

A bounds error lets data be written beyond the intended memory region, potentially corrupting control data.

How

An attacker operating through local access may attempt exploitation with low privileges. 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.
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 → Out-of-bounds Write → execute code or commands in the affected security context
Attack surface
Local
Privileges required
Low: a basic authenticated account is required
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-787 ↗

CWE-787: Out-of-bounds Write. The product writes data past the end, or before the beginning, of the intended buffer.

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:L/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.

AVLocalAttack vector: The attacker needs local access to the vulnerable system.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRLowPrivileges required: The attacker needs basic user-level 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.
Remote code executionDenial of serviceCWE-787
A

Official authority intelligence

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

BSI · German · WID-SEC-W-2023-0651Microsoft Windows und Microsoft Windows Server: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Microsoft Windows und Microsoft Windows Server ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand auszulösen und seine Privilegien zu erweitern.

Official advisory
BSI · German · WID-SEC-W-2023-0529TPM 2.0 Referenzimplementierung: Mehrere Schwachstellen

Ein lokaler Angreifer kann mehrere Schwachstellen in der TPM 2.0 Referenzimplementierung ausnutzen, um beliebigen Programmcode auszuführen, einen Denial of Service Zustand herbeizuführen und um Informationen aus dem TPM offenzulegen.

Official advisory
CERT-FR · French · CERTFR-2024-AVI-0478Multiples vulnérabilités dans les produits Siemens

org/CVERecord?id=CVE-2022-45887 Référence CVE CVE-2022-45919 https://www.cve.org/CVERecord?id=CVE-2022-45919 Référence CVE CVE-2022-46144 https://www.cve.org/CVERecord?id=CVE-2022-46144 Référence CVE CVE-2023-0160 https://www.cve.org/CVERecord?id=CVE-2023-0160 Référence CVE CVE-2023-0215 https://www.cve.org/CVERecord?id=CVE-2023-0215 Référence CVE CVE-2023-0286 https://www.cve.org/CVERecord?id=CVE-2023-0286 Référence CVE CVE-2023-0464 https://www.cve.org/CVERecord?id=CVE-2023-0464 Référence CVE CVE-2023-0465 https://www.cve.org/CVERecord?id=CVE-2023-0465 Référence CVE CVE-2023-0466 https://www.cve.org/CVERecord?id=CVE-2023-0466 Référence CVE CVE-2023-1017 https://www.cve.org/CVERecord?id=CVE-2023-1017 Référence CVE CVE-2023-2124 https://www.cve.org/CVERecord?id=CVE-2023-2124 Référence CVE CVE-2023-21255 https://www.cve.org/CVERecord?id=CVE-2023-21255 Référence CVE CVE-2023-21808 https://www.cve.org/CVERecord?id=CVE-2023-21808 Référence CVE CVE-2023-2269 https://www.cve.org/CVERecord?id=CVE-2023-2269 Référence CVE CVE-2023-24895 https://www.cve.org/CVERecord?id=CVE-2023-24895 Référence CVE CVE-2023-24897 https://www.cve.org/CVERecord?id=CVE-2023-24897 Référence CVE CVE-2023-24936 https://www.cve.org/CVERecord?id=CVE-2023-24936 Référence CVE CVE-2023-26552 https://www.cve.org/CVERecord?id=CVE-2

Official advisory
CERT-FR · French · CERTFR-2023-AVI-0232Multiples vulnérabilités dans Microsoft Windows

Server Core installation) Windows Server 2022 Windows Server 2022 (Server Core installation) Résumé De multiples vulnérabilités ont été corrigées dans Microsoft Windows . Elles permettent à un attaquant de provoquer une élévation de privilèges, une atteinte à la confidentialité des données, un déni de service, un contournement de la fonctionnalité de sécurité et une exécution de code à distance. Solution Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation). Documentation Bulletin de sécurité Microsoft du 14 mars 2023 https://msrc.microsoft.com/update-guide/ Bulletin de sécurité Microsoft CVE-2023-1017 du 14 mars 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-1017 Bulletin de sécurité Microsoft CVE-2023-1018 du 14 mars 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-1018 Bulletin de sécurité Microsoft CVE-2023-21708 du 14 mars 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21708 Bulletin de sécurité Microsoft CVE-2023-23385 du 14 mars 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23385 Bulletin de sécurité Microsoft CVE-2023-23388 du 14 mars 2023 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-23388 Bulletin de sécurité Microsoft CVE-2023-233

Official advisory
NBSZ-NKI · Hungarian · cve-2023-1017CVE-2023-1017

Kategorizálatlan

Official advisory
NCSC-NL · Dutch · NCSC-2024-0246Kwetsbaarheden verholpen in Siemens producten

De kwetsbaarheden stellen een kwaadwillende mogelijk in staat aanvallen uit te voeren die kunnen leiden tot de volgende categorieën schade: - Denial-of-Service (DoS) - Manipulatie van gegevens - Omzeilen van beveiligingsmaatregel - (Remote) code execution (Administrator/Root rechten) - (Remote) code execution (Gebruikersrechten) - Toegang tot systeemgegevens - Verhoogde gebruikersrechten De kwaadwillende heeft hiervoor toegang nodig tot de productieomgeving. Het is goed gebruik een dergelijke omgeving niet publiek toegankelijk te hebben.

Official advisory
03

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
SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0); TIM 1531 IRC (6GK7543-1MX00-0XE0)
Fixed
No fixed version is explicitly recorded in the structured CVE data.
Action
Update to V2.4.8 or later version
Workaround
No verified workaround is recorded. Limit untrusted access and use least privilege until authoritative guidance is available.
04

Evidence and provenance

Published 28 Feb 2023 · Last source change 4 Nov 2025, 19:14 UTC · CWE-787 · Out-of-bounds Write

CVE recordCVE.org · 5.2
CVSS sourceNIST NVD
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2023-23309
Product sourceVendor CSAF · Siemens ProductCERT
Remediation sourceVendor CSAF · Siemens ProductCERT
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.

Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
ENISA EUVD · EUVD-2023-23309↗Vendor CSAF · Siemens ProductCERT↗CVE authority or vendor reference↗Vendor advisory↗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.
Free version - for non-commercial use only.CVE-2023-1017 · cve.blacktree.nl