CVE-2021-46538 — MEDIUM (5.5)

Vulnerability Description

Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via gc_compact_strings at src/mjs_gc.c. This vulnerability can lead to a Denial of Service (DoS).

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cesanta	Mjs	2.20.0

References

https://github.com/cesanta/mjs/issues/216ExploitIssue TrackingPatch
https://github.com/cesanta/mjs/issues/216ExploitIssue TrackingPatch

FAQ

What is CVE-2021-46538?

CVE-2021-46538 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via gc_compact_strings at src/mjs_gc.c. This vulnerability can lead to a Denial of Service (DoS).

How severe is CVE-2021-46538?

CVE-2021-46538 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-46538?

Check the references section above for vendor advisories and patch information. Affected products include: Cesanta Mjs.