CVE-2015-6565
sshd in OpenSSH 6.8 and 6.9 uses world-writable permissions for TTY devices, which allows local...
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.
Exploit likelihood
What each source reports
NVD Score used
7.2
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.
- Record
CVE-2015-6565- CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2015-6565- Updated
- 2026-11-02
EUVDEUVD-2015-6504 No score
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.
- Record
EUVD-2015-6504- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hpw5-44xc-rfvc No score
sshd in OpenSSH 6.8 and 6.9 uses world-writable permissions for TTY devices, which allows local...
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.
- Record
GHSA-hpw5-44xc-rfvc- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | OpenSSH 6.8 < 6.9 - 'PTY' Local Privilege Escalation | 2017-01-26 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-6565 is a high vulnerability (CVSS 7.2) in Openbsd Openssh, published August 24, 2015. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.67%, the 85th percentile. No source names a fixed version.
References
openwall.com/lists/oss-security/2015/08/22/1
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05131085
security.gentoo.org/glsa/201512-04
securitytracker.com/id/1033917
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888
openssh.com/txt/release-7.0
Show 7 moreShow less
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
exploit-db.com/exploits/41173
openwall.com/lists/oss-security/2017/01/26/2
securityfocus.com/bid/76497
cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
nvd.nist.gov/vuln/detail/CVE-2015-6565
github.com/advisories/GHSA-hpw5-44xc-rfvc