CVE-2013-4490

Exp

The SSH key upload feature (lib/gitlab_keys.rb) in gitlab-shell before 1.7.3, as used in GitLab 5.0 before 5.4.1 and 6.x before 6.2.3, allows remote authenticated users to execute arbitrary commands via shell metacharacters in the public key.

Published: 2014-05-13 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-4490 is rated High Exploit Risk (77/100): CVSS Medium severity, with high exploitation likelihood (EPSS 49.78%, 98th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.76% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2013-4490

EDB-ID Source Kind Published Link
34362 exploit_db edb 2014-08-19 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-4490

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-01-09 48.02% 49.78% +1.76%
2 2025-04-29 53.37% 48.02% -5.35%
3 2025-03-30 — 53.37% —

Full EPSS history (19 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4490

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 6.4 [email protected]

Weakness enumeration for CVE-2013-4490

OS Trackers for CVE-2013-4490

vendor priority summary link
debian unimportant CVE-2013-4490 unimportant priority: Debian including 1 source packages (gitlab), 1 status rows across 1 suites (sid): resolved 1. https://security-tracker.debian.org/tracker/CVE-2013-4490

NVD evaluator notes for CVE-2013-4490

Comment: Per: http://cwe.mitre.org/data/definitions/77.html "CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')"

Affected software / configurations for CVE-2013-4490

Vendor Product Version Raw CPE
gitlab gitlab 5.0.0 cpe:2.3:a:gitlab:gitlab:5.0.0:*:*:*:*:*:*:*
gitlab gitlab 5.0.1 cpe:2.3:a:gitlab:gitlab:5.0.1:*:*:*:*:*:*:*
gitlab gitlab 5.1.0 cpe:2.3:a:gitlab:gitlab:5.1.0:*:*:*:*:*:*:*
gitlab gitlab 5.2.0 cpe:2.3:a:gitlab:gitlab:5.2.0:*:*:*:*:*:*:*
gitlab gitlab 5.3.0 cpe:2.3:a:gitlab:gitlab:5.3.0:*:*:*:*:*:*:*
gitlab gitlab 5.4.0 cpe:2.3:a:gitlab:gitlab:5.4.0:*:*:*:*:*:*:*
gitlab gitlab 6.0.0 cpe:2.3:a:gitlab:gitlab:6.0.0:*:*:*:*:*:*:*
gitlab gitlab 6.1.0 cpe:2.3:a:gitlab:gitlab:6.1.0:*:*:*:*:*:*:*
gitlab gitlab 6.2.0 cpe:2.3:a:gitlab:gitlab:6.2.0:*:*:*:*:*:*:*
gitlab gitlab 6.2.1 cpe:2.3:a:gitlab:gitlab:6.2.1:*:*:*:*:*:*:*
gitlab gitlab 6.2.2 cpe:2.3:a:gitlab:gitlab:6.2.2:*:*:*:*:*:*:*
gitlab gitlab-shell <= 1.7.2 cpe:2.3:a:gitlab:gitlab-shell:*:*:*:*:*:*:*:*
gitlab gitlab-shell 1.0.4 cpe:2.3:a:gitlab:gitlab-shell:1.0.4:*:*:*:*:*:*:*
gitlab gitlab-shell 1.1.0 cpe:2.3:a:gitlab:gitlab-shell:1.1.0:*:*:*:*:*:*:*
gitlab gitlab-shell 1.2.0 cpe:2.3:a:gitlab:gitlab-shell:1.2.0:*:*:*:*:*:*:*
gitlab gitlab-shell 1.3.0 cpe:2.3:a:gitlab:gitlab-shell:1.3.0:*:*:*:*:*:*:*
gitlab gitlab-shell 1.4.0 cpe:2.3:a:gitlab:gitlab-shell:1.4.0:*:*:*:*:*:*:*
gitlab gitlab-shell 1.5.0 cpe:2.3:a:gitlab:gitlab-shell:1.5.0:*:*:*:*:*:*:*
gitlab gitlab-shell 1.6.0 cpe:2.3:a:gitlab:gitlab-shell:1.6.0:*:*:*:*:*:*:*
gitlab gitlab-shell 1.7.0 cpe:2.3:a:gitlab:gitlab-shell:1.7.0:*:*:*:*:*:*:*
gitlab gitlab-shell 1.7.1 cpe:2.3:a:gitlab:gitlab-shell:1.7.1:*:*:*:*:*:*:*

References for CVE-2013-4490

cvelogic Threat Intelligence