What’s Vulnerable › Vulnerabilities

CVE-2021-28954

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-21 · updated 2026-06-17
• Weakness: CWE-427

Description

In Chris Walz bit before 1.0.5 on Windows, attackers can run arbitrary code via a .exe file in a crafted repository.

Affected products

• Bit Project Bit: before 1.0.5 — fixed in 1.0.5

How to fix

Upgrade to a fixed version: Bit Project Bit 1.0.5. Check the vendor advisory for mitigations.

References

• https://github.com/chriswalz/bit/releases/tag/v1.0.5
• https://vuln.ryotak.me/advisories/17
• https://github.com/chriswalz/bit/releases/tag/v1.0.5
• https://vuln.ryotak.me/advisories/17

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