How severe is CVE-2020-13351?

CVE-2020-13351 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-13351 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13351?

CVE-2020-13351 primarily affects Gitlab. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-13351?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-13351 published?

CVE-2020-13351 was published on 2020-11-17 and last updated on 2026-06-17.

CVE-2020-13351

CVE-2020-13351 is a medium-severity vulnerability in Gitlab with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Gitlab
Published: 2020-11-17
Last modified: 2026-06-17

Description

Insufficient permission checks in scheduled pipeline API in GitLab CE/EE 13.0+ allows an attacker to read variable names and values for scheduled pipelines on projects visible to the attacker. Affected versions are >=13.0, <13.3.9,>=13.4.0, <13.4.5,>=13.5.0, <13.5.2.

Frequently asked questions

What is CVE-2020-13351?: Insufficient permission checks in scheduled pipeline API in GitLab CE/EE 13.0+ allows an attacker to read variable names and values for scheduled pipelines on projects visible to the attacker. Affected versions are >=13.0, <13.3.9,>=13.4.0, <13.4.5,>=13.5.0, <13.5.2.
How severe is CVE-2020-13351?: CVE-2020-13351 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-13351 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13351?: CVE-2020-13351 primarily affects Gitlab. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-13351?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-13351 published?: CVE-2020-13351 was published on 2020-11-17 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*

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