What is CVE-2023-30087?

CVE-2023-30087 is a medium-severity vulnerability in Cesanta Mjs, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2023-05-09.

How severe is CVE-2023-30087?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Cesanta Mjs

CVE-2023-30087

Buffer Overflow vulnerability found in Cesanta MJS v.1.26 allows a local attacker to cause a denial of service via the mjs_mk_string function in mjs.c.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (17.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Cesanta Mjs — versions 1.26
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2023-30087?: CVE-2023-30087 is a medium-severity vulnerability in Cesanta Mjs, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2023-05-09.
How severe is CVE-2023-30087?: Medium severity. CVSS v3 base score is 5.5 out of 10.