CVE-2022-30767

highpriority · track · 40EPSS 0.027 · 86 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.73% (86th) EPSS

CVSS 7.5 · high

Is it mine?

33 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a failed length check, leading to a buffer overflow. NOTE: this issue exists because of an incorrect fix for CVE-2019-14196.

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 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/

cvss

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

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · CISA US

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/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-120USprimaryCWE-120USCWE-120USCWE-120US

affected products (33)

Products and version ranges known to be affected.

SIMATIC MV540 H (6GF3540-0GE10)all versionscisa_csaf_otUS
SIMATIC MV540 S (6GF3540-0CD10)all versionscisa_csaf_otUS
SIMATIC MV550 H (6GF3550-0GE10)all versionscisa_csaf_otUS
SIMATIC MV550 S (6GF3550-0CD10)all versionscisa_csaf_otUS
SIMATIC MV560 U (6GF3560-0LE10)all versionscisa_csaf_otUS
SIMATIC MV560 X (6GF3560-0HE10)all versionscisa_csaf_otUS
Siemens SIMATIC MV540 H (6GF3540-0GE10)< V3.3.4cisa_csaf_otUS
Siemens SIMATIC MV540 S (6GF3540-0CD10)< V3.3.4cisa_csaf_otUS
Siemens SIMATIC MV550 H (6GF3550-0GE10)< V3.3.4cisa_csaf_otUS
Siemens SIMATIC MV550 S (6GF3550-0CD10)< V3.3.4cisa_csaf_otUS
Siemens SIMATIC MV560 U (6GF3560-0LE10)< V3.3.4cisa_csaf_otUS
Siemens SIMATIC MV560 X (6GF3560-0HE10)< V3.3.4cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
Canonical Ltd. Ubuntu≤ 22.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 22.10fstec_bduRU
Canonical Ltd. Ubuntu≤ 18.04 ESMfstec_bduRU
Canonical Ltd. Ubuntu≤ 20.04 LTSfstec_bduRU
Fedora Project Fedora≤ 36fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 12fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 11fstec_bduRU

showing 20 of 33

advisories (2)

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.
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 (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot siemens_psirt NVD CVE.org MITRE

published 2022-05-16modified 2026-06-17

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+5663 more

references (20)

External citations — patches, advisories, analysis.

scry

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