Cyber Resilience

CVE-2021-23362

MediumPublic PoC

Published: 23 March 2021

Published
23 March 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0055 68.5th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-23362 is a medium-severity Inefficient Regular Expression Complexity (CWE-1333) vulnerability in Npmjs Hosted-Git-Info. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 31.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

The package hosted-git-info before 3.0.8 are vulnerable to Regular Expression Denial of Service (ReDoS) via regular expression shortcutMatch in the fromUrl function in index.js. The affected regular expression exhibits polynomial worst-case time complexity.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

npmjs
hosted-git-info
2.0.0 — 2.8.9 · 3.0.0 — 3.0.8
siemens
sinec infrastructure network services
≤ 1.0.1.1

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References