8.8

CVE-2020-2109: jenkins project jenkins pipeline: groovy plugin Improper Input Validation

CVSS: 8.8v3.1HighModified
AliasesGHSA-99mf-f3qh-wqrp
Published 12-02-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-2109 is a high (CVSS 8.8) Improper Input Validation vulnerability in jenkins project jenkins pipeline: groovy plugin. EPSS estimates a 1.26% chance of exploitation in the next 30 days, higher than 69.1% 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
1.26%
0%100%
Low · -0.01 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

Timeline

  1. 12-02-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Sandbox protection in Jenkins Pipeline: Groovy Plugin 2.78 and earlier can be circumvented through default parameter expressions in CPS-transformed methods.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.26%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

-0.01 pp

From 1.27% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.26%

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

Jenkins project1 product
  • jenkins pipeline: groovy plugin≥ unspecified, ≤ 2.78
Org.jenkins-ci.plugins.workflow1 product
  • workflow-cps< 2.79

2 vendors · 2 products

References

5 links