CVE-2020-13303

mediumpriority · track · 26EPSS 0.013 · 71 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.35% (71st) EPSS

CVSS 4 · medium

Is it mine?

17 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-26

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Due to improper verification of permissions, an unauthorized user can access a private repository within a public project.

cvss

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4–7.1

v2.04mediumAV:N/AC:L/Au:S/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:Nsecondary · ENISA EU

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:Nsecondary · cve@gitlab.comexploitability 2.8 · impact 4.2

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimary

affected products (17)

Products and version ranges known to be affected.

Open Source GitLab <13.1.10all versionscert_bundDE
Open Source GitLab <13.2.8all versionscert_bundDE
Open Source GitLab <13.3.4all versionscert_bundDE
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Open Source GitLab< 13.1.10cert_bundDE
Open Source GitLab< 13.2.8cert_bundDE
Open Source GitLab< 13.3.4cert_bundDE
GitLab GitLab1.0, → 13.1.10enisa_euvdEU
GitLab GitLab13.2, → 13.2.8enisa_euvdEU
GitLab GitLab13.3, → 13.3.4enisa_euvdEU
gitlab gitlab13.1.0 → 13.1.10nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab13.2.0 → 13.2.8nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
gitlab gitlab13.3.0 → 13.3.4nvdUScpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Bitnami gitlab1.0.0 → 13.1.10osvUSpkg:bitnami/gitlab
Bitnami gitlab13.2.0 → 13.2.8osvUSpkg:bitnami/gitlab
Bitnami gitlab13.3.0 → 13.3.4osvUSpkg:bitnami/gitlab

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1087GitLab: Mehrere SchwachstellenDeutsch2020-09-02csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um einen Cross-Site Scripting oder Denial of Service Angriff durchzuführen, Sicherheitsmechanismen zu umgehen, Daten zu manipulieren oder vertrauliche Daten einzusehen.
BIT-gitlab-2020-133032024-03-06vendor · osvUS
A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Due to improper verification of permissions, an unauthorized user can access a private repository within a public project.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd osv NVD CVE.org MITRE

published 2020-09-15modified 2026-06-17

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references (12)

External citations — patches, advisories, analysis.

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