7.5

CVE-2021-46462: f5 njs

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2021-46462
Published 14-02-2022Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-46462 is a high (CVSS 7.5) vulnerability in f5 njs. EPSS estimates a 1.69% chance of exploitation in the next 30 days, higher than 76.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.69%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 14-02-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

njs through 0.7.1, used in NGINX, was discovered to contain a segmentation violation via njs_object_set_prototype in /src/njs_object.c.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.69%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

0.00 pp

From 1.69% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.69%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Njs

    Maturity: poc

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Alpine1 product
  • nginx< 1.20.2-r2
F51 product

2 vendors · 2 products

References

4 links