CVE-2022-1012

highpriority · track · 35EPSS 0.044 · 91 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

4.39% (91st) EPSS

CVSS 8.2 · high

Is it mine?

49 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem.

remediations

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

A vendor fix is available.

FixedSIMATIC MV540 H (6GF3540-0GE10)siemens_psirt
Update to V3.3.4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109821128/
FixedSIMATIC MV540 S (6GF3540-0CD10)siemens_psirt
Update to V3.3.4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109821128/
FixedSIMATIC MV550 H (6GF3550-0GE10)siemens_psirt
Update to V3.3.4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109821128/
FixedSIMATIC MV550 S (6GF3550-0CD10)siemens_psirt
Update to V3.3.4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109821128/
FixedSIMATIC MV560 U (6GF3560-0LE10)siemens_psirt
Update to V3.3.4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109821128/
FixedSIMATIC MV560 X (6GF3560-0HE10)siemens_psirt
Update to V3.3.4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109821128/
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 - GNU/Linux subsystemcisa_csaf_ot
Update to V1.1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109827684/
FixedSIMATIC MV540 H (6GF3540-0GE10)cisa_csaf_ot
Update to V3.3.4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109821128/
FixedSIMATIC MV540 S (6GF3540-0CD10)cisa_csaf_ot
Update to V3.3.4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109821128/
FixedSIMATIC MV550 H (6GF3550-0GE10)cisa_csaf_ot
Update to V3.3.4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109821128/
FixedSIMATIC MV550 S (6GF3550-0CD10)cisa_csaf_ot
Update to V3.3.4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109821128/
FixedSIMATIC MV560 U (6GF3560-0LE10)cisa_csaf_ot
Update to V3.3.4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109821128/
FixedSIMATIC MV560 X (6GF3560-0HE10)cisa_csaf_ot
Update to V3.3.4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109821128/
MitigationSIMATIC S7-1500 TM MFP - GNU/Linux subsystemsiemens_psirt
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.

8.2

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 4.2

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H/E:P/RL:O/RC:Csecondary · CISA US

v3.18.2highAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USCWE-401USCWE-401USCWE-401USCWE-401US

affected products (49)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Dell NetWorkerall versionscert_bundDEcpe:/a:dell:networker:-
IBM DataPower Gateway 10.5.0all versionscert_bundDEcpe:/a:ibm:datapower_gateway:10.5.0
IBM FlashSystemall versionscert_bundDEcpe:/a:ibm:flashsystem:-
IBM MQ Applianceall versionscert_bundDEcpe:/a:ibm:mq:appliance
IBM Power Hardware Management Consoleall versionscert_bundDEcpe:/a:ibm:hardware_management_console:-
IBM SAN Volume Controllerall versionscert_bundDEcpe:/a:ibm:san_volume_controller:-
IBM Security Verify Access < 10.0.5-ISS-ISVA-FP000all versionscert_bundDEcpe:/a:ibm:security_verify_access:10.0.5-iss-isva-fp000
IBM Spectrum Protect 10.1all versionscert_bundDEcpe:/a:ibm:spectrum_protect:10.1
IBM Storwizeall versionscert_bundDEcpe:/a:ibm:storwize:-
NetApp AFF Baseboard Management Controllerall versionscert_bundDEcpe:/h:netapp:aff:::baseboard_management_controller
Open Source Linux Kernelall versionscert_bundDEcpe:/o:linux:linux_kernel:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat Enterprise Linux 9all versionscert_bundDEcpe:/o:redhat:enterprise_linux:9
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Siemens SIMATIC S7 1500 TM MFPall versionscert_bundDEcpe:/h:siemens:simatic_s7:1500_tm_mfp
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
SIMATIC MV540 H (6GF3540-0GE10)all versionscisa_csaf_otUS
SIMATIC MV540 S (6GF3540-0CD10)all versionscisa_csaf_otUS

showing 20 of 49

advisories (6)

Vendor and ecosystem advisories describing this.

SSA-561322SSA-561322: Multiple Vulnerabilities in SIMATIC MV500 Devices before V3.3.42023-07-11csaf · siemens_psirtDE
SIMATIC MV500 devices before V3.3.4 are affected by multiple vulnerabilities in the web server and several third-party components. Siemens has released updates 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).
WID-SEC-W-2022-0501Linux Kernel: Schwachstelle ermöglicht Denial of ServiceDeutsch2022-06-28csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen oder 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.
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-23-194-04Siemens SIMATIC MV500 Devices2023-07-11icsa · cisa_csaf_otUS
SIMATIC MV500 devices before V3.3.4 are affected by multiple vulnerabilities in the web server and several third-party components. Siemens has released updates for the affected products and recommends to update to the latest versions.

also known as (3)

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 2022-08-05modified 2026-06-17

references (66)

External citations — patches, advisories, analysis.

scry

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