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CVE-2022-25236

xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.

Published: Feb 16, 2022Updated: May 5, 2025 Sources: CVE List NVD BDU csafCWE-668
9.8CRITICAL
NVD MITRE
EPSS Score
33.9%
Top 1.8%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

Multiple vulnerabilities have been identified in the additional GNU/Linux subsystem of the firmware version >= V3.1.0 and < V3.1.5 for the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP (incl. SIPLUS variant). These GNU/Linux vulnerabilities have been externally identified. Siemens has released new versions for the affected products and recommends to update to the latest versions. Note: This SSA advises vulnerabilities for firmware version V3.1 only; for versions < V3.1 refer to Siemens Security Bulletin SSB-439005 ( https://cert-portal.siemens.com/productcert/html/ssb-439005.html).

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-668

Affected Products

ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
Astra Linux Special Edition для «Эльбрус»On-premOS
Operating Systems / linux-distro
oracle
commercial·USaka oracle corp.
http serverOn-premWeb App
Web & CMS Plugins
zfs storage appliance kitOn-premDatabase
Databases / data-warehouse-analytics
Fedora Project
oss-project·USaka fedora
FedoraOn-premOS
Operating Systems / linux-distro
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
ФССП России
RU
ОС ТД АИС ФССП РоссииOn-prem
Operating Systems / linux-distro
James Clark
individual-devaka james clark expat, expat author
ExpatLibrary
OSS Libraries / generic-library
and 10 more affected products View all →

Exploitability

1 exploit source identified

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

View exploit details
Official Patch Available
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References

https://redos.red-soft.ru/support/secure/&#13;
redos.red-soft.ru
https://www.cybersecurity-help.cz/vdb/SB2022022109&#13;
cybersecurity-help.cz
http://www.openwall.com/lists/oss-security/2022/02/19/1&#13;
openwall.com
and 37 more references View all →

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