CVE-2023-4004

highpriority · track · 31EPSS 0.009 · 60 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.92% (60th) EPSS

CVSS 7.8 · high

Is it mine?

49 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-23

A use-after-free flaw was found in the Linux kernel's netfilter in the way a user triggers the nft_pipapo_remove function with the element, without a NFT_SET_EXT_KEY_END. This issue could allow a local user to crash the system or potentially escalate their privileges on the system.

remediations

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

A vendor fix is available.

FixedSIMATIC S7-1500 TM MFP - GNU/Linux subsystemsiemens_psirt
Update to V1.1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109827684/
FixedSIMATIC S7-1500 TM MFP - BIOSsiemens_psirt
Update to V1.3.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109945851/
FixedSIMATIC S7-1500 TM MFP - BIOScisa_csaf_ot
Update to V1.3.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109945851/
FixedSIMATIC S7-1500 TM MFP - GNU/Linux subsystemcisa_csaf_ot
Update to V1.1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109827684/
MitigationSIMATIC S7-1500 TM MFP - GNU/Linux subsystemsiemens_psirt
Only build and run applications from trusted sources
WorkaroundSIMATIC S7-1500 TM MFP - BIOSsiemens_psirt
Only build and run applications from trusted sources
WorkaroundSIMATIC S7-1500 TM MFP - BIOScisa_csaf_ot
Only build and run applications from trusted sources
WorkaroundSIMATIC S7-1500 TM MFP - GNU/Linux subsystemcisa_csaf_ot
Only build and run applications from trusted sources

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

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · CISA US

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secalert@redhat.com USexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USprimaryCWE-20USCWE-20USCWE-416US

affected products (49)

Products and version ranges known to be affected.

Juniper JUNOSall versionscert_bundDEcpe:/o:juniper:junos:-
SIMATIC S7-1500 TM MFP - BIOSall versionscisa_csaf_otUS
SIMATIC S7-1500 TM MFP - GNU/Linux subsystemall versionscisa_csaf_otUS
Siemens SIMATIC S7-1500 TM MFP - BIOS< V1.3.0cisa_csaf_otUS
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem< V1.1cisa_csaf_otUS
Red Hat Red Hat Enterprise Linux 8< 0:4.18.0-477.27.1.el8_8enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8< 0:4.18.0-477.27.1.rt7.290.el8_8enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support< 0:4.18.0-193.119.1.el8_2enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8.2 Telecommunications Update Service< 0:4.18.0-193.119.1.el8_2enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8.2 Telecommunications Update Service< 0:4.18.0-193.119.1.rt13.170.el8_2enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions< 0:4.18.0-193.119.1.el8_2enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support< 0:4.18.0-305.103.1.el8_4enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service< 0:4.18.0-305.103.1.el8_4enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service< 0:4.18.0-305.103.1.rt7.178.el8_4enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions< 0:4.18.0-305.103.1.el8_4enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support< 0:4.18.0-372.75.1.el8_6enisa_euvdEU
Red Hat Red Hat Enterprise Linux 9< 0:5.14.0-284.30.1.el9_2enisa_euvdEU
Red Hat Red Hat Enterprise Linux 9< 0:5.14.0-284.30.1.rt14.315.el9_2enisa_euvdEU
Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support< 0:5.14.0-70.80.1.el9_0enisa_euvdEU
Red Hat Red Hat Enterprise Linux 9.0 Extended Update Support< 0:5.14.0-70.80.1.rt21.151.el9_0enisa_euvdEU

showing 20 of 49

advisories (7)

Vendor and ecosystem advisories describing this.

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-831302SSA-831302: Vulnerabilities in the BIOS of the SIMATIC S7-1500 TM MFP before V1.3.02023-06-13csaf · siemens_psirtDE
Multiple vulnerabilities have been identified in the BIOS of the SIMATIC S7-1500 TM MFP before V1.3.0. Siemens has released a new version for SIMATIC S7-1500 TM MFP - BIOS and recommends to update to the latest version.
WID-SEC-W-2023-1927Linux-Kernel: Schwachstelle ermöglicht Privilegienerweiterung oder einen Denial-of-Service-ZustandDeutsch2023-07-31csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle im Linux-Kernel ausnutzen, um seine Privilegien zu erhöhen oder einen Denial-of-Service-Zustand zu verursachen.
WID-SEC-W-2023-2902IBM Security Guardium: Mehrere SchwachstellenDeutsch2023-11-14csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in IBM Security Guardium ausnutzen, um seine Privilegien zu erweitern, beliebigen Programmcode auszuführen, Sicherheitsvorkehrungen zu umgehen, Dateien zu manipulieren, einen Denial of Service Zustand herbeizuführen oder Informationen offenzulegen.
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.
ICSA-23-166-10Siemens SIMATIC S7-1500 TM MFP BIOS2023-06-13icsa · cisa_csaf_otUS
Multiple vulnerabilities have been identified in the BIOS of the SIMATIC S7-1500 TM MFP before V1.3.0. Siemens has released a new version for SIMATIC S7-1500 TM MFP - BIOS and recommends to update to the latest version.
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).

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund cisa_csaf_ot siemens_psirt NVD CVE.org MITRE

published 2023-07-31modified 2026-10-14

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+12086 more

references (86)

External citations — patches, advisories, analysis.

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