CVE-2021-46521

EUVD-2021-33197
Cesanta MJS v2.20.0 was discovered to contain a global buffer overflow via c_vsnprintf at mjs/src/common/str_util.c.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 39%
Affected Products (NVD)
VendorProductVersion
cesantamjs
2.20.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/cesanta/mjs/issues/190
https://github.com/cesanta/mjs/issues/190