5.3

CVE-2020-2102: jenkins project jenkins Observable Discrepancy

CVSS: 5.3v3.1MediumModified
AliasesGHSA-fj6f-6933-839jBIT-jenkins-2020-2102
Published 29-01-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-2102 is a medium (CVSS 5.3) Observable Discrepancy vulnerability in jenkins project jenkins. EPSS estimates a 1.40% chance of exploitation in the next 30 days, higher than 72.1% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
1.40%
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 2
RHBA-2020:0402RHBA-2020:0675

Timeline

  1. 29-01-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Jenkins 2.218 and earlier, LTS 2.204.1 and earlier used a non-constant time comparison function when validating an HMAC.

CVSS metrics

3 scores · 2 sources · 3 versions

EPSS trend

Probability

1.40%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

0.00 pp

From 1.40% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.40%

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
  • jenkins≥ unspecified, ≤ 2.218 | ≥ unspecified, ≤ LTS 2.204.1
Org.jenkins-ci.main1 product
  • jenkins-core< 2.204.2 | ≥ 2.205, < 2.219

3 vendors · 3 products

References

9 links