CVE-2016-10009
Untrusted search path vulnerability in ssh-agent.c in ssh-agent in OpenSSH before 7.4 allows remote attackers to execute arbitrary local PKCS#11 modules by leveraging control over a forwarded agent-socket.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 37.4%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
Untrusted search path vulnerability in ssh-agent.c in ssh-agent in OpenSSH before 7.4 allows remote attackers to execute arbitrary local PKCS#11 modules by leveraging control over a forwarded agent-socket.
- CVSS 3.1
- 7.3 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- EPSS
- 37.43% probability · 99th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 23 December 2016
- CISA KEV
- Not listed
- Weakness
- CWE-426
- Affected
- openbsd/openssh
- Source
- cve@mitre.org
EPSS 37.4% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/140261/OpenSSH-Arbitrary-Library-Loading.html
- http://packetstormsecurity.com/files/173661/OpenSSH-Forwarded-SSH-Agent-Remote-Code-Execution.html
- http://seclists.org/fulldisclosure/2023/Jul/31
- http://www.openwall.com/lists/oss-security/2016/12/19/2Mailing List, Release Notes
- http://www.openwall.com/lists/oss-security/2023/07/19/9
- http://www.openwall.com/lists/oss-security/2023/07/20/1
- http://www.securityfocus.com/bid/94968
- http://www.securitytracker.com/id/1037490
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.647637
- https://access.redhat.com/errata/RHSA-2017:2029
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1009
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
- https://github.com/openbsd/src/commit/9476ce1dd37d3c3218d5640b74c34c65e5f4efe5Patch
- https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html
- https://security.FreeBSD.org/advisories/FreeBSD-SA-17:01.openssh.asc
- https://security.netapp.com/advisory/ntap-20171130-0002/
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03818en_us
- https://usn.ubuntu.com/3538-1/
- https://www.exploit-db.com/exploits/40963/
- https://www.openssh.com/txt/release-7.4
- http://packetstormsecurity.com/files/140261/OpenSSH-Arbitrary-Library-Loading.html
- http://packetstormsecurity.com/files/173661/OpenSSH-Forwarded-SSH-Agent-Remote-Code-Execution.html
- http://seclists.org/fulldisclosure/2023/Jul/31
- http://www.openwall.com/lists/oss-security/2016/12/19/2Mailing List, Release Notes
- http://www.openwall.com/lists/oss-security/2023/07/19/9
- http://www.openwall.com/lists/oss-security/2023/07/20/1
- http://www.securityfocus.com/bid/94968
- http://www.securitytracker.com/id/1037490
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.647637
- https://access.redhat.com/errata/RHSA-2017:2029
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.