CVE-2020-13246: gitea Improper Locking
Modified
AliasesGHSA-g2qx-6ghw-67hmBIT-gitea-2020-13246GO-2022-0830
Published 20-05-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-13246 is a high (CVSS 7.5) Improper Locking vulnerability in gitea. EPSS estimates a 1.99% chance of exploitation in the next 30 days, higher than 80.4% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.99%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits2github, reference
Timeline
- 20-05-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in Gitea through 1.11.5. An attacker can trigger a deadlock by initiating a transfer of a repository's ownership from one organization to another.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- OSV · GoEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.99%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.99% on 23-09-2026
23-09-202623-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
2 foundGitea
Maturity: poc
Exploit Reference (youtube.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Code.gitea.io1 product
- gitea< 1.12.0
Gitea1 product
- gitea≤ 1.11.5
Github.com/go-gitea1 product
- gitea< 1.12.0
3 vendors · 3 products
References
5 links- github.com/go-gitea/gitea/issues/10549X Refsource MISCWEBExploitIssue TrackingPatchThird Party Advisory
