CVE-2023-1667

mediumpriority · track · 26EPSS 0.013 · 71 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.31% (71st) EPSS

CVSS 6.5 · medium

Is it mine?

47 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A NULL pointer dereference was found In libssh during re-keying with algorithm guessing. This issue may allow an authenticated client to cause a denial of service.

cvss

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

6.5

010

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

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.16.5mediumAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-476USprimaryCWE-476US

affected products (47)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Dell NetWorker virtualall versionscert_bundDEcpe:/a:dell:networker:virtual
EMC Avamarall versionscert_bundDEcpe:/a:emc:avamar:-
F5 BIG-IPall versionscert_bundDEcpe:/a:f5:big-ip:-
F5 BIG-IP 15.1.0-15.1.10all versionscert_bundDEcpe:/a:f5:big-ip:15.1.0_-_15.1.10
F5 BIG-IP 16.1.0-16.1.4all versionscert_bundDEcpe:/a:f5:big-ip:16.1.0_-_16.1.4
F5 BIG-IP 17.1.0-17.1.1all versionscert_bundDEcpe:/a:f5:big-ip:17.1.0_-_17.1.1
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Gentoo Linuxall versionscert_bundDEcpe:/o:gentoo:linux:-
IBM FlashSystemall versionscert_bundDEcpe:/a:ibm:flashsystem:-
IBM Power Hardware Management Console V10all versionscert_bundDEcpe:/a:ibm:hardware_management_console:v10
IBM SAN Volume Controllerall versionscert_bundDEcpe:/a:ibm:san_volume_controller:-
IBM SAN Volume Controller 8.4all versionscert_bundDEcpe:/a:ibm:san_volume_controller:8.4
IBM SAN Volume Controller 8.5all versionscert_bundDEcpe:/a:ibm:san_volume_controller:8.5
IBM SAN Volume Controller 8.6all versionscert_bundDEcpe:/a:ibm:san_volume_controller:8.6
Meinberg LANTIME <7.08.002all versionscert_bundDE
Open Source libssh <0.10.5all versionscert_bundDE
Open Source libssh <0.9.7all versionscert_bundDE
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-

showing 20 of 47

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1159libssh: Mehrere Schwachstellen ermöglichen Umgehung von SicherheitsvorkehrungenDeutsch2023-05-04csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in libssh ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
WID-SEC-W-2023-2112IBM Spectrum Protect: Mehrere SchwachstellenDeutsch2023-08-22csaf · cert_bundDE
Ein lokaler oder entfernter Angreifer kann mehrere Schwachstellen in IBM Spectrum Protect ausnutzen, um seine Privilegien zu erhöhen, beliebigen Programmcode auszuführen, Sicherheitsvorkehrungen zu umgehen, einen Denial of Service Zustand herbeizuführen oder unbekannte Auswirkungen zu verursachen.
WID-SEC-W-2024-3377Dell PowerProtect Data Domain: Mehrere SchwachstellenDeutsch2024-11-07csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Dell PowerProtect Data Domain ausnutzen, um seine Privilegien zu erhöhen, Informationen offenzulegen und um nicht näher beschriebene Auswirkungen zu erzielen.

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 NVD CVE.org MITRE

published 2023-05-26modified 2026-06-17

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+8781 more

references (43)

External citations — patches, advisories, analysis.

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