CVE-2023-39418

mediumpriority · track · 17OT risk · elevatedEPSS 0.011 · 65 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.09% (65th) EPSS

CVSS 4.3 · medium

Is it mine?

30 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A vulnerability was found in PostgreSQL with the use of the MERGE command, which fails to test new rows against row security policies defined for UPDATE and SELECT. If UPDATE and SELECT policies forbid some rows that INSERT policies do not forbid, a user could store such rows.

remediations

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

A vendor fix is available.

FixedSINEC NMSsiemens_psirt
Update to V2.0 SP1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109826954/
FixedSINEC NMScisa_csaf_ot
Update to V2.0 SP1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109826954/

cvss

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

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.1–4.3

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:Csecondary · CISA US

v3.13.1lowAV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · ENISA EU

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:Nsecondary · secalert@redhat.com USexploitability 1.6 · impact 1.4

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1220USCWE-264USCWE-311USCWE-311US

affected products (30)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Broadcom Brocade SANnav< 2.3.0acert_bundDE
Broadcom Brocade SANnav< 2.3.1cert_bundDE
Broadcom Brocade SANnav< 2.3.1acert_bundDE
Open Source PostgreSQL< 15.4cert_bundDE
SINEC NMSall versionscisa_csaf_otUS
Siemens SINEC NMS< V2.0_SP1cisa_csaf_otUS
Red Hat Red Hat Enterprise Linux 8< 8090020231114113548.a75119d5enisa_euvdEU
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support< 8080020231113134015.63b34585enisa_euvdEU
Red Hat Red Hat Enterprise Linux 9< 9030020231120082734.rhel9enisa_euvdEU
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support< 9020020231115020618.rhel9enisa_euvdEU
PostgreSQL Global Development Group PostgreSQL≤ 15.4fstec_bduRU
Postgres Professional Postgres Pro Certified≤ 15.4fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 9fstec_bduRU

showing 20 of 30

advisories (4)

Vendor and ecosystem advisories describing this.

SSA-943925SSA-943925: Multiple Vulnerabilities in SINEC NMS before V2.0 SP12024-02-13csaf · siemens_psirtDE
SINEC NMS before V2.0 SP1 is affected by multiple vulnerabilities. Siemens has released an update for SINEC NMS and recommends to update to the latest version.
WID-SEC-W-2023-2038PostgreSQL: Mehrere SchwachstellenDeutsch2023-08-10csaf · cert_bundDE
Ein entfernter authentifizierter Angreifer kann mehrere Schwachstellen in PostgreSQL ausnutzen, um beliebigen Code auszuführen oder Sicherheitsmaßnahmen zu umgehen.
ICSA-24-046-15Siemens SINEC NMS2024-02-13icsa · cisa_csaf_otUS
SINEC NMS before V2.0 SP1 is affected by multiple vulnerabilities. Siemens has released an update for SINEC NMS and recommends to update to the latest version.
BIT-postgresql-2023-39418Postgresql: merge fails to enforce update or select row security policies2024-03-06vendor · osvUS
A vulnerability was found in PostgreSQL with the use of the MERGE command, which fails to test new rows against row security policies defined for UPDATE and SELECT. If UPDATE and SELECT policies forbid some rows that INSERT policies do not forbid, a user could store such rows.

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 osv NVD CVE.org MITRE

published 2023-08-11modified 2026-06-17

references (28)

External citations — patches, advisories, analysis.

scry

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