6.5

CVE-2021-21664: jenkins project jenkins xebialabs xl deploy plugin Incorrect Authorization

CVSS: 6.5v3.1MediumModified
AliasesGHSA-jm4g-8rvq-v87j
Published 10-06-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-21664 is a medium (CVSS 6.5) Incorrect Authorization vulnerability in jenkins project jenkins xebialabs xl deploy plugin. EPSS estimates a 0.99% chance of exploitation in the next 30 days, higher than 61.9% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.99%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-06-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

An incorrect permission check in Jenkins XebiaLabs XL Deploy Plugin 10.0.1 and earlier allows attackers with Generic Create permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing Username/password credentials stored in Jenkins.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.99%

Chance of exploitation in the next 30 days

Percentile

62%

Versus all other CVEs

30-day change

0.00 pp

From 0.99% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.99%

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

Com.xebialabs.deployit.ci1 product
  • deployit-plugin< 10.0.2
Jenkins1 product
Jenkins project1 product

3 vendors · 3 products

References

5 links