7.5

CVE-2022-43284: f5 njs

CVSS: 7.5v3.1HighModified
Published 28-10-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-43284 is a high (CVSS 7.5) vulnerability in f5 njs. EPSS estimates a 0.87% chance of exploitation in the next 30 days, higher than 58% 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
0.87%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 28-10-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Nginx NJS v0.7.2 to v0.7.4 was discovered to contain a segmentation violation via njs_scope_valid_value at njs_scope.h. NOTE: the vendor disputes the significance of this report because NJS does not operate on untrusted input.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.87%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

+0.02 pp

From 0.85% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.87%

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

F51 product
  • njs≥ 0.7.2, ≤ 0.7.4

1 vendor · 1 product

References

2 links