6.1

CVE-2021-21648: jenkins project jenkins credentials plugin Cross-site Scripting

CVSS: 6.1v3.1MediumModified
AliasesGHSA-gchq-9r68-6jwv
Published 11-05-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-21648 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in jenkins project jenkins credentials plugin. EPSS estimates a 11.31% chance of exploitation in the next 30 days, higher than 95.9% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
11.31%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
RHSA-2021:2437

Timeline

  1. 11-05-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Jenkins Credentials Plugin 2.3.18 and earlier does not escape user-controlled information on a view it provides, resulting in a reflected cross-site scripting (XSS) vulnerability.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

11.31%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

0.00 pp

From 11.31% on 20-09-2026

20-09-202620-10-2026
EPSS score
11.31%

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

Jenkins1 product
Jenkins project1 product
Org.jenkins-ci.plugins1 product
  • credentials≥ 2.3.16, < 2.3.19 | ≥ 2.3.15, < 2.3.15.1 | ≥ 2.3.14, < 2.3.14.1 | ≥ 2.3.8, < 2.3.13.1 | ≥ 2.3.1, < 2.3.7.1 | < 2.3.0.1

3 vendors · 3 products

References

5 links