VulnerabilityModified
CVE-2021-28954
In Chris Walz bit before 1.0.5 on Windows, attackers can run arbitrary code via a .exe file in a crafted repository.
HIGH 7.8EPSS 0.97%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.97%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In Chris Walz bit before 1.0.5 on Windows, attackers can run arbitrary code via a .exe file in a crafted repository.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.97% probability · 61th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-427
- Affected
- bit project/bit
- Source
- cve@mitre.org
EPSS 1.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/chriswalz/bit/releases/tag/v1.0.5Release Notes, Third Party Advisory
- https://vuln.ryotak.me/advisories/17Third Party Advisory
- https://github.com/chriswalz/bit/releases/tag/v1.0.5Release Notes, Third Party Advisory
- https://vuln.ryotak.me/advisories/17Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.