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CVE-2023-48795

The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted (fr...

Published: Dec 18, 2023Updated: May 12, 2026 Sources: CVE List NVD GHSA BDU csafCWE-354
NVD MITRE
5.9CVSSMEDIUM
EPSS Score
94.1%
Top 0.2%
CISA KEV
Not in KEV
Exploits
4 Known
Remediation
Patch Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify

Description

Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version V3.1.5 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant). Siemens is preparing fix versions and recommends countermeasures for products where fixes are not, or not yet available.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-354

Affected Products

РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
Альт 8 СПАО «ИВК»
On-premOS
Operating Systems / linux-distro
РОСА КобальтАО «НТЦ ИТ РОСА»
On-prem
Operating Systems / linux-distro
ROSA VirtualizationАО «НТЦ ИТ РОСА»
On-prem
Operating Systems / linux-distro
ооо «ред софт»commercialRUOperating Systemsaka red soft
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
ао «ивк»commercialRUOperating Systemsaka ivk
ао «нтц ит роса»commercialRUOperating Systems
and 83 more affected products View all →

Exploitability

4 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available

References

https://www.opennet.ru/opennews/art.shtml?num=60304
opennet.ru
https://www.opennet.ru/opennews/art.shtml?num=60305
opennet.ru
https://www.openssh.com/txt/release-9.6
openssh.com
and 454 more references View all →

Timeline

Published
Dec 18, 2023
Last Updated
May 12, 2026

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