8.8

CVE-2021-21638: jenkins project jenkins team foundation server plugin Cross-Site Request Forgery (CSRF)

CVSS: 8.8v3.1HighModified
AliasesGHSA-263q-5pj7-j6hj
Published 30-03-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-21638 is a high (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in jenkins project jenkins team foundation server plugin. EPSS estimates a 0.84% chance of exploitation in the next 30 days, higher than 57.3% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.84%
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. 30-03-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A cross-site request forgery (CSRF) vulnerability in Jenkins Team Foundation Server Plugin 5.157.1 and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.84%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

0.00 pp

From 0.84% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.84%

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
  • tfs≤ 5.157.1

3 vendors · 3 products

References

5 links