6.1

CVE-2021-20323: redhat keycloak Cross-site Scripting

CVSS: 6.1v3.1MediumModified
AliasesGHSA-xpgc-j48j-jwv9
Published 25-03-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-20323 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in redhat keycloak. EPSS estimates a 37.25% chance of exploitation in the next 30 days, higher than 98.5% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
37.25%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-03-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

37.25%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 37.25% on 19-09-2026

19-09-202619-10-2026
EPSS score
37.25%

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

Org.keycloak1 product
  • keycloak-core≥ 15.0.0, < 17.0.0
Redhat1 product

2 vendors · 2 products

References

3 links