9.1

CVE-2021-21697: jenkins project jenkins

CVSS: 9.1v3.1CriticalModified
AliasesGHSA-cv2w-q8c3-xjv7BIT-jenkins-2021-21697
Published 04-11-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-21697 is a critical (CVSS 9.1) vulnerability in jenkins project jenkins. EPSS estimates a 1.60% chance of exploitation in the next 30 days, higher than 75.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (NVD)
EPSS score
1.60%
0%100%
Low · 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 6
RHSA-2021:4799RHSA-2021:4801RHSA-2021:4827RHSA-2021:4829RHSA-2021:4833RHSA-2022:0055

Timeline

  1. 04-11-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Jenkins 2.318 and earlier, LTS 2.303.2 and earlier allows any agent to read and write the contents of any build directory stored in Jenkins with very few restrictions.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.60%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

0.00 pp

From 1.60% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.60%

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, ≤ 2.318 | ≥ unspecified, ≤ LTS 2.303.2
Org.jenkins-ci.main1 product
  • jenkins-core< 2.303.3 | ≥ 2.304, < 2.319

3 vendors · 3 products

References

6 links