CVE-2023-0464

highpriority · track · 41EPSS 0.040 · 90 %ileexploit · PoCDEEUNLRUUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · PoC
Likely / severe?
3.98% (90th) EPSS
CVSS 7.5 · high
Is it mine?
158 products
Check your exposure
Who says so?
8 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-21

A security vulnerability has been identified in all supported versions of OpenSSL related to the verification of X.509 certificate chains that include policy constraints. Attackers may be able to exploit this vulnerability by creating a malicious certificate chain that triggers exponential use of computational resources, leading to a denial-of-service (DoS) attack on affected systems. Policy processing is disabled by default but can be enabled by passing the `-policy' argument to the command line utilities or by calling the `X509_VERIFY_PARAM_set1_policies()' function.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

02

cvss

Technical severity, 0–10. One row per scoring source.

7.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.3–7.8

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · CISA US
v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 3.9 · impact 3.6
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · Siemens ProductCERT DE
v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)
v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · SUSE Product Security
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · NCSC-NL NL
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-295USprimaryCWE-295USCWE-295USCWE-295USCWE-295USCWE-400US
05

exploits (1)

Public proof-of-concept and weaponised exploit code.

06

affected products (158)

Products and version ranges known to be affected.

showing 20 of 158
07

advisories (29)

Vendor and ecosystem advisories describing this.

  • NCSC-2024-0246Kwetsbaarheden verholpen in Siemens productenNL2024-06-11csaf · ncsc_nlNL

    Siemens heeft kwetsbaarheden verholpen in diverse producten, zoals SCALANCE, SICAM, Tecnomatix, SITOP en PowerSys.

  • NCSC-2025-0061Kwetsbaarheden verholpen in Siemens productenNL2025-02-14csaf · ncsc_nlNL

    Siemens heeft kwetsbaarheden verholpen in diverse producten als APOGEE, Opcenter, RUGGEDCOM, SCALANCE, SIMATIC, SIPROTEC en Teamcenter.

  • SSA-028723SSA-028723: Multiple OpenSSL Vulnerabilities in BFCClient Before V2.172025-08-12csaf · siemens_psirtDE

    Siemens BFCClient contains multiple vulnerabilities in the integrated OpenSSL component that could allow an attacker to read memory contents, to change the application behaviour or to create a denial of service condition. Siemens has released a new version for BFCClient and recommends to update to the latest version.

  • SSA-077170SSA-077170: Multiple Vulnerabilities in SINEC INS before V1.0 SP2 Update 22023-12-12csaf · siemens_psirtDE

    SINEC INS before V1.0 SP2 Update 2 is affected by multiple vulnerabilities. Siemens has released an update for SINEC INS and recommends to update to the latest version.

  • SSA-337522SSA-337522: Multiple Vulnerabilities in TIM 1531 IRC before V2.4.82024-06-11csaf · siemens_psirtDE

    Siemens has released new versions for the affected products and recommends to update to the latest versions.

  • SSA-341067SSA-341067: Multiple vulnerabilities in third-party components in ST7 ScadaConnect before V1.12024-06-11csaf · siemens_psirtDE

    Siemens has released a new version for ST7 ScadaConnect and recommends to update to the latest version.

  • SSA-398330SSA-398330: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP >= V3.1.0 and < V3.1.52023-12-12csaf · siemens_psirtDE

    Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version >= V3.1.0 and < V3.1.5 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant). These GNU/Linux vulnerabilities have been externally identified. Siemens has released new versions for the affected products and recommends to update to the latest versions. SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP >= V3.1.0 and < V3.1.5 are no longer maintained and there won't be any update to the CVE list anymore. Please update to the latest version. Note: This SSA advises vulnerabilities for firmware version V3.1 only; for versions < V3.1 refer to Siemens Security Bulletin SSB-439005 (https://cert-portal.siemens.com/productcert/html/ssb-439005.html).

  • SSA-556635SSA-556635: Multiple Vulnerabilities in Telecontrol Server Basic before V3.1.2.02024-04-09csaf · siemens_psirtDE

    Siemens has released a new version for Telecontrol Server Basic that fixes multiple vulnerabilities.

  • SSA-625862SSA-625862: Multiple Vulnerabilities in Third-Party Components in SIMATIC CP 1542SP-1 and CP 1543SP-1 before V2.32024-06-11csaf · siemens_psirtDE

    SIMATIC CP 1542SP-1 and CP 1543SP-1 before V2.3 are affected by multiple vulnerabilities in third-party components and the integrated web server. Siemens has released new versions for the affected products and recommends to update to the latest versions.

  • SSA-769027SSA-769027: Multiple Vulnerabilities fixed in SCALANCE W700 IEEE 802.11ax devices before V3.0.02025-02-11csaf · siemens_psirtDE

    SCALANCE W-700 IEEE 802.11ax family devices are affected by multiple vulnerabilities. Siemens has released new versions for the affected products and recommends to update to the latest versions.

  • SSA-794697SSA-794697: Vulnerabilities in the Additional GNU/Linux Subsystem of the SIMATIC S7-1500 TM MFP Before V1.12023-06-13csaf · siemens_psirtDE

    Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the SIMATIC S7-1500 TM MFP V1.0. Siemens has released a new version for SIMATIC S7-1500 TM MFP - GNU/Linux subsystem and recommends to update to the latest version. SIMATIC S7-1500 TM MFP V1.0 is no longer maintained and there won't be any update to the CVE list anymore. Please update to the latest version. This advisory lists vulnerabilities for firmware version V1.0 only; for V1.1 refer to Siemens Security Advisory SSA-265688 (https://cert-portal.siemens.com/productcert/html/ssa-265688.html).

  • SSA-879734SSA-879734: Multiple Vulnerabilities in SCALANCE XM-400/XR-500 before V6.6.12024-06-11csaf · siemens_psirtDE

    Siemens has released new versions for the affected products and recommends to update to the latest versions.

  • WID-SEC-W-2023-0732OpenSSL: Schwachstelle ermöglicht Denial of ServiceDeutsch2023-03-22csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann eine Schwachstelle in OpenSSL ausnutzen, um einen Denial of Service Angriff durchzuführen.

  • WID-SEC-W-2023-1130GitLab: Mehrere SchwachstellenDeutsch2023-05-02csaf · cert_bundDE

    Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um seine Privilegien zu erweitern, Sicherheitsvorkehrungen zu umgehen, einen Cross Site Scripting Angriff durchzuführen und Informationen offenzulegen

  • WID-SEC-W-2023-1432Siemens SIMATIC S7: Mehrere SchwachstellenDeutsch2023-06-12csaf · cert_bundDE

    Ein Angreifer aus dem angrenzenden Netzwerk oder ein entfernter, anonymer, authentisierter, physischer oder lokaler Angreifer kann mehrere Schwachstellen in Siemens SIMATIC S7 ausnutzen, um beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand herbeizuführen, seine Privilegien zu erweitern und Daten zu manipulieren.

  • WID-SEC-W-2023-1781Oracle Virtualization: Mehrere SchwachstellenDeutsch2023-07-18csaf · cert_bundDE

    Ein entfernter, anonymer oder lokaler Angreifer kann mehrere Schwachstellen in Oracle Virtualization ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.

  • WID-SEC-W-2024-0053Dell BIOS: Mehrere SchwachstellenDeutsch2024-01-09csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen im Dell BIOS ausnutzen, um vertrauliche Informationen offenzulegen, Dateien zu manipulieren oder einen Denial-of-Service-Zustand auszulösen.

  • WID-SEC-W-2024-0794Dell ECS: Mehrere SchwachstellenDeutsch2024-04-04csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Dell ECS ausnutzen, um seine Privilegien zu erweitern, beliebigen Programmcode mit Administratorrechten auszuführen, Informationen offenzulegen, Dateien zu manipulieren, einen Cross-Site-Scripting-Angriff durchzuführen, Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service Zustand herbeizuführen.

  • WID-SEC-W-2024-1591Juniper JUNOS: Mehrere SchwachstellenDeutsch2024-07-10csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Juniper JUNOS ausnutzen, um einen Denial of Service zu verursachen, Informationen offenzulegen, Privilegien zu erweitern und Sicherheitsmechanismen inklusive zu umgehen.

  • openSUSE-SU-2026:10199-1python311-pymssql-2.3.12-1.1 on GA media2026-02-13csaf · suse_csafDE

    python311-pymssql-2.3.12-1.1 on GA media

  • ICSA-23-166-11Siemens SIMATIC S7-1500 TM MFP Linux Kernel2023-06-13icsa · cisa_csaf_otUS

    Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the SIMATIC S7-1500 TM MFP V1.0. Siemens has released a new version for SIMATIC S7-1500 TM MFP - GNU/Linux subsystem and recommends to update to the latest version. This advisory lists vulnerabilities for firmware version V1.0 only; for V1.1 refer to Siemens Security Advisory SSA-265688 ( https://cert-portal.siemens.com/productcert/html/ssa-265688.html).

  • ICSA-23-348-10Siemens SIMATIC S7-15002023-12-12icsa · cisa_csaf_otUS

    Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version >= V3.1.0 and < V3.1.5 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant). These GNU/Linux vulnerabilities have been externally identified. Siemens has released new versions for the affected products and recommends to update to the latest versions. Note: This SSA advises vulnerabilities for firmware version V3.1 only; for versions < V3.1 refer to Siemens Security Bulletin SSB-439005 ( https://cert-portal.siemens.com/productcert/html/ssb-439005.html).

  • ICSA-23-348-16Siemens SINEC INS2023-12-12icsa · cisa_csaf_otUS

    SINEC INS before V1.0 SP2 Update 2 is affected by multiple vulnerabilities. Siemens has released an update for SINEC INS and recommends to update to the latest version.

  • ICSA-24-165-04Siemens ST7 ScadaConnect2024-06-11icsa · cisa_csaf_otUS

    Siemens has released a new version for ST7 ScadaConnect and recommends to update to the latest version.

  • ICSA-24-165-06Siemens TIM 1531 IRC2024-06-11icsa · cisa_csaf_otUS

    Siemens has released new versions for the affected products and recommends to update to the latest versions.

  • ICSA-24-165-10Siemens SIMATIC and SIPLUS2024-06-11icsa · cisa_csaf_otUS

    SIMATIC CP 1542SP-1 and CP 1543SP-1 before V2.3 are affected by multiple vulnerabilities in third-party components and the integrated web server. Siemens has released new versions for the affected products and recommends to update to the latest versions.

  • ICSA-24-165-11Siemens SCALANCE XM-400, XR-5002024-06-11icsa · cisa_csaf_otUS

    Siemens has released new versions for the affected products and recommends to update to the latest versions.

  • ICSA-25-044-09Siemens SCALANCE W700 IEEE 802.11ax2025-02-11icsa · cisa_csaf_otUS

    SCALANCE W-700 IEEE 802.11ax family devices are affected by multiple vulnerabilities. Siemens has released new versions for the affected products and recommends to update to the latest versions.

  • ICSA-25-226-21Siemens BFCClient2025-08-12icsa · cisa_csaf_otUS

    Siemens BFCClient contains multiple vulnerabilities in the integrated OpenSSL component that could allow an attacker to read memory contents, to change the application behaviour or to create a denial of service condition. Siemens has released a new version for BFCClient and recommends to update to the latest version.

08

also known as (4)

Other names and identifiers for this entity.

09

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundcisa_csaf_otncsc_nlsiemens_psirtsuse_csafNVDCVE.orgMITRE
published 2023-03-22modified 2026-10-14
11

references (50)

External citations — patches, advisories, analysis.

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