6.5

CVE-2021-23055: f5 nginx ingress controller

CVSS: 6.5v3.1MediumModified
Published 21-04-2022Last modified 03-08-2024

Vulnerability summary

CVE-2021-23055 is a medium (CVSS 6.5) vulnerability in f5 nginx ingress controller. EPSS estimates a 0.77% chance of exploitation in the next 30 days, higher than 54.7% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.77%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-04-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

On version 2.x before 2.0.3 and 1.x before 1.12.3, the command line restriction that controls snippet use with NGINX Ingress Controller does not apply to Ingress objects. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.77%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

0.00 pp

From 0.77% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.77%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

F51 product

1 vendor · 1 product

References

1 links