CVE-2020-13272
OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user...
OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow
- Record
CVE-2020-13272- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2020-5533
OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow
- Record
EUVD-2020-5533- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jmw9-579m-cw2x No score
OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user...
OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow
- Record
GHSA-jmw9-579m-cw2x- Weakness
- CWE-863
- Updated
- 2026-11-02
NVD
OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow
- Record
CVE-2020-13272- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-345
- Updated
- 2026-11-02
OSV
OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow
- Record
CVE-2020-13272- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVBIT-gitlab-2020-13272 No score
OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow
- Record
BIT-gitlab-2020-13272- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
gitlabBitnami |
12.3.0 up to 12.9.8, 12.10.0 up to 12.10.7, 13.0.0 up to 13.0.1 | 12.9.812.10.713.0.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-13272 is a high vulnerability (CVSS 7.5) in Gitlab, published June 19, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.58%, the 47th percentile. Fixed in gitlab 12.9.8.