6.5

CVE-2021-21634: jenkins project jenkins jabber (xmpp) notifier and control plugin Insufficiently Protected Credentials

Modified
AliasesGHSA-79r5-rhrw-7pvh
Published 30-03-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-21634 is a medium (CVSS 6.5) Insufficiently Protected Credentials vulnerability in jenkins project jenkins jabber (xmpp) notifier and control plugin. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 57.2% 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
0.83%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

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

Description

Jenkins Jabber (XMPP) notifier and control Plugin 1.41 and earlier stores passwords unencrypted in its global configuration file on the Jenkins controller where they can be viewed by users with access to the Jenkins controller file system.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.83%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

Increase +0.03 pp

From 0.81% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Jenkins1 product
Jenkins project1 product
Org.jvnet.hudson.plugins1 product
  • jabber< 1.42

3 vendors · 3 products

References

5 links