CVE-2015-6565
sshd in OpenSSH 6.8 and 6.9 uses world-writable permissions for TTY devices, which allows local users to cause a denial of service…
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
sshd in OpenSSH 6.8 and 6.9 uses world-writable permissions for TTY devices, which allows local users to cause a denial of service (terminal disruption) or possibly have unspecified other impact by writing to a device, as demonstrated by writing an escape sequence.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Exploit-DB1 entry
- OpenSSH 6.8 < 6.9 - 'PTY' Local Privilege Escalation (Exploit-DB entry) (opens in a new tab)
EDB-ID 41173local, linuxpublished 26 Jan 2017Not verified
References tagged exploit1 reference
- 41173 (opens in a new tab)exploitx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 3 days later
· 3 days later
Published
- 9 years later
· 9 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 2.7% · top 14% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.
Weakness
Affected products
n/a
- affected n/a
References (11)
- [oss-security] 20150821 Re: CVE request - OpenSSH 6.9 PAM privilege separation vulnerabilities (opens in a new tab)mailing-listx_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05131085 (opens in a new tab)x_transferred
- GLSA-201512-04 (opens in a new tab)vendor-advisoryx_transferred
- 1033917 (opens in a new tab)vdb-entryx_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888 (opens in a new tab)x_transferred
- http://www.openssh.com/txt/release-7.0 (opens in a new tab)x_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380 (opens in a new tab)x_transferred
- 41173 (opens in a new tab)exploitx_transferred
- [oss-security] 20170126 Re: OpenSSH: CVE-2015-6565 (pty issue in 6.8-6.9) can lead to local privesc on Linux (opens in a new tab)mailing-listx_transferred
- 76497 (opens in a new tab)vdb-entryx_transferred
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2015-6504 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2015-6565)Record last updated .