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CVE-2021-28955

30
FAUCET Score

CVE-2021-28955 is a critical uncontrolled search path element vulnerability affecting git-bug before version 0.7.2, primarily impacting Windows systems. With a CVSS score of 9.8, this flaw allows an attacker to execute arbitrary code (git.bat) from the current directory, leading to complete compromise of confidentiality, integrity, and availability. While no active exploitation, public exploits, or significant community discussion have been observed, its high severity warrants immediate patching.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.7.2CPE matchmatch criteria
cpe:2.3:a:git-bug_project:git-bug:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.72%
Probability of exploitation in next 30 days
EPSS Percentile
75.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0172 is in the 63rd percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

gopatch availablevia ghsa
Product: github.com/MichaelMure/git-bugFixed in: 0.7.2

Vendor Advisories (1)

goGHSA-m898-h4pm-pqfrcritical

Arbitrary code execution due to an uncontrolled search path for the git binary

May 25, 2021

References

github.com / MichaelMure/git-bug/security/advisories/GHSA-m898-h4pm-pqfr
Third Party Advisory
vuln.ryotak.me / advisories/18
Third Party Advisory