CVE-2021-3028 json
git-big-picture Code Execution
published 2021-01-13 5 y ago modified 2026-06-17 4 mo ago also GHSA-x38j-4rr5-hqrj , PYSEC-2021-15 , EUVD-2021-0093
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.9%
- EPSS 2.9% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
git-big-picture before 1.0.0 mishandles ' characters in a branch name, leading to code execution.
Patch / fix
- pypi git-big-picture 1.0.0
- git-big-picture_project git-big-picture 1.0.0
- git-big-picture Debian 14, Debian 13, Debian 12 1.0.0-1
debian advisories DEBIAN-CVE-2021-3028
Exploit prediction
2.92% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | git-big-picture | <1.0.0 |
1.0.0 |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
github.com
/git-big-picture/git-big-picture/pull/62
web, patch, third-party-advisory
-
github.com
/git-big-picture/git-big-picture/pull/27
web, patch, third-party-advisory
-
github.com
/git-big-picture/git-big-picture/releases/tag/v1.0.0
web, release-notes, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-3028
advisory
-
github.com
/git-big-picture/git-big-picture
package
-
github.com
/pypa/advisory-database/tree/main/vulns/git-big-picture/PYSEC-2021-15.yaml
web
-
github.com
/advisories/GHSA-x38j-4rr5-hqrj
advisory
Sources
- CVE List CVE-2021-3028
- GitHub Advisory GHSA-x38j-4rr5-hqrj
- NVD CVE-2021-3028
- OSV PYSEC-2021-15
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.