CVE-2022-25236
Advisory lineage Upstream: 0 Downstream: 60
Modified
Published: 16 Feb 2022, 00:39
Last modified:05 May 2025, 16:23
Vulnerability Summary
Overall Risk (default)
high
70/100 CVSS Score
9.8 CRITICAL
v3.1 (cve.org)
EPSS Score
8.16% LOW
8% probability -1.20%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
16 Feb 2022, 00:39
Published
Vulnerability first disclosed
05 May 2025, 16:23
Last Modified
Vulnerability information updated
Description
xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.
CVSS Metrics
- v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS Trends
Current EPSS score: 8.16%• Percentile: 92%
Techniques & Countermeasures
- CWE-668•Exposure of Resource to Wrong Sphere
The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.
Affected Systems
- debian•debian_linux
10.0 | 11.0
- libexpat_project•libexpat
< 2.4.5
- oracle•http_server
12.2.1.3.0 | 12.2.1.4.0
- oracle•zfs_storage_appliance_kit
8.8
- siemens•sinema_remote_connect_server
< 3.1
References (11)
- https://github.com/libexpat/libexpat/pull/561
- http://www.openwall.com/lists/oss-security/2022/02/19/1
- https://www.debian.org/security/2022/dsa-5085
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/
- https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://security.netapp.com/advisory/ntap-20220303-0008/
- http://packetstormsecurity.com/files/167238/Zoom-XMPP-Stanza-Smuggling-Remote-Code-Execution.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
- https://security.gentoo.org/glsa/202209-24