Use After Free in F5 Njs

CVE-2020-24346

njs through 0.4.3, used in NGINX, has a use-after-free in njs_json_parse_iterator_call in njs_json.c.

Vulnerability class: Use-After-Free

EPSS: 0.010 (60.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

F5 Njs
N/a — versions n/a

Weakness classification (CWE)

CWE-416 — Use After Free

References

cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2020-24346?: CVE-2020-24346 is a high-severity vulnerability in F5 Njs, classified under Use After Free. CVSS score: 7.8/10. Published 2020-08-13.
How severe is CVE-2020-24346?: High severity. CVSS v3 base score is 7.8 out of 10.