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Vulnerability record · CVE-2017-12836 · published 24 August 2017

CVE-2017-12836: Gnu cvs vulnerability

Gnu · Cvs

CVS 1.12.x, when configured to use SSH for remote repositories, might allow remote attackers to execute arbitrary code via a repository URL with a crafted hostname, as demonstrated by "-oProxyCommand=id;localhost:/bar."

7.5 CVSS 3.0 High EPSS 6.0% · top 6.9%
7.5CVSS 3.0 base score, v2 5.1
6.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
16References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

CVS 1.12.x, when configured to use SSH for remote repositories, might allow remote attackers to execute arbitrary code via a repository URL with a crafted hostname, as demonstrated by "-oProxyCommand=id;localhost:/bar."

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.nongnu.org/archive/html/bug-cvs/2017-08/msg00000.html ExploitMailing ListVendor Advisory
http://www.debian.org/security/2017/dsa-3940 Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/08/11/1 ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2017/08/11/4 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/100279 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-3399-1 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1480800 Issue TrackingPatchThird Party AdvisoryVDB Entry
https://security.gentoo.org/glsa/201709-17 Third Party Advisory
http://lists.nongnu.org/archive/html/bug-cvs/2017-08/msg00000.html ExploitMailing ListVendor Advisory
http://www.debian.org/security/2017/dsa-3940 Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/08/11/1 ExploitMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2017/08/11/4 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/100279 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-3399-1 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1480800 Issue TrackingPatchThird Party AdvisoryVDB Entry
https://security.gentoo.org/glsa/201709-17 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2017-12836), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.