4.3

CVE-2021-21670: jenkins project jenkins

CVSS: 4.3v3.1MediumModified
AliasesGHSA-q4wp-8c99-69pwBIT-jenkins-2021-21670
Published 30-06-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-21670 is a medium (CVSS 4.3) vulnerability in jenkins project jenkins. EPSS estimates a 2.04% chance of exploitation in the next 30 days, higher than 80.8% of scored vulnerabilities.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (NVD)
EPSS score
2.04%
0%100%
Low · +0.06 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3
RHBA-2021:3033RHBA-2021:3396RHSA-2021:3820

Timeline

  1. 30-06-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Jenkins 2.299 and earlier, LTS 2.289.1 and earlier allows users to cancel queue items and abort builds of jobs for which they have Item/Cancel permission even when they do not have Item/Read permission.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.04%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

+0.06 pp

From 1.98% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.04%

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
  • jenkins≥ unspecified, ≤ 2.299 | ≥ unspecified, ≤ LTS 2.289.1
Org.jenkins-ci.main1 product
  • jenkins-core< 2.289.2 | ≥ 2.292, < 2.300

3 vendors · 3 products

References

5 links