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Gitlab Shell CVE-2013-4490

MEDIUM
2014-05-13 secalert@redhat.com
6.5
CVSS 2.0 · NVD
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Vulnerability Assessment

Impact

CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity. Public proof-of-concept exploit code is available. EPSS exploitation probability: 49.78%.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 49.8% exploitation probability (EPSS)

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AnalysisAI

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. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 49.8%.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

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. Affected products include: Gitlab, Gitlab Gitlab-Shell. Version information: before 1.7.3.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.5 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Confidentiality
P
Integrity
P
Availability
P

DescriptionCVE.org

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.

Threat Intelligence Overview

Threat Score
4.3/10
Composite threat intelligence
EPSS Score
49.8%
Top 2% exploitable
Exploit
POC
Public exploit code exists
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 49.8%
Patch available Yes
Active threat Yes
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Out-of-Cycle
Exploitation· derived
Active
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
High

Priority Score

117
Low Medium High Critical
KEV: 0
EPSS: +50
CVSS: +32
PoC: +20
Weaponized: +15
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:a:gitlab:gitlab:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab:5.1.0:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab:5.2.0:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab:5.3.0:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab:5.4.0:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab:6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab:6.1.0:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab:6.2.0:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab:6.2.1:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab:6.2.2:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab-shell:*:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab-shell:1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab-shell:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab-shell:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab-shell:1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab-shell:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab-shell:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab-shell:1.6.0:*:*:*:*:*:*:*
cpe:2.3:a:gitlab:gitlab-shell:1.7.0:*:*:*:*:*:*:*
+ 1 more

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