8.1

CVE-2021-21659: jenkins project jenkins urltrigger plugin

CVSS: 8.1v3.1HighModified
AliasesGHSA-34j5-c4cv-mmg5
Published 25-05-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-21659 is a high (CVSS 8.1) vulnerability in jenkins project jenkins urltrigger plugin. EPSS estimates a 66.77% chance of exploitation in the next 30 days, higher than 99.2% of scored vulnerabilities.

Overall risk
46/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (NVD)
EPSS score
66.77%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-05-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Jenkins URLTrigger Plugin 0.48 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

66.77%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 66.77% on 21-09-2026

21-09-202621-10-2026
EPSS score
66.77%

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

No weakness data has been published for this record.

Affected systems

Jenkins1 product
Jenkins project1 product
Org.jenkins-ci.plugins1 product
  • urltrigger< 0.49

3 vendors · 3 products

References

4 links