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Vulnerability details: VCID-yujg-r2qc-n7br
Vulnerability ID VCID-yujg-r2qc-n7br
Aliases CVE-2013-4548
Summary The mm_newkeys_from_blob function in monitor_wrap.c in sshd in OpenSSH 6.2 and 6.3, when an AES-GCM cipher is used, does not properly initialize memory for a MAC context data structure, which allows remote authenticated users to bypass intended ForceCommand and login-shell restrictions via packet data that provides a crafted callback address.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk None
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2013-4548
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2013-4548
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2013-4548
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2013-4548.json
https://api.first.org/data/v1/epss?cve=CVE-2013-4548
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4548
1028418 https://bugzilla.redhat.com/show_bug.cgi?id=1028418
729029 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=729029
USN-2014-1 https://usn.ubuntu.com/2014-1/
No exploits are available.
There are no known vectors.
Exploit Prediction Scoring System (EPSS)
Percentile 0.54191
EPSS Score 0.00305
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T20:25:00.490747+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.6.0