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Not in CISA KEV
MEDIUM severity

CVE-2020-2153 — backlog

MEDIUMFix: jenkinsci/backlog-plugin@43f5133

CVE-2020-2153 is a medium-severity (CVSS 4.3) CWE-319 vulnerability in org.jenkins-ci.plugins:backlog. A fix is available for org.jenkins-ci.plugins:backlog — see the affected versions and patch details below.

Credentials transmitted in plain text by Backlog Plugin

Also known asGHSA-p68c-xg89-2g5r
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 30, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.6%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs51th percentile — riskier than 51% of all scored CVEsHighest risk
0.00%0.38%0.76%1.15%0.0%0.6%May 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
☕org.jenkins-ci.plugins:backlog

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

Backlog Plugin stores credentials in job config.xml files as part of its configuration.

While the credentials are stored encrypted on disk, they are transmitted in plain text as part of the configuration form by Backlog Plugin 2.4 and earlier. These credentials could be viewed by users with Extended Read permission.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jenkins-ci.plugins:backlogall versions2.5org.jenkins-ci.plugins:backlog:2.5

Affected Products

1 product · 1 configurations
Application
backlogjenkins
≤ 2.4
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.jenkins-ci.plugins:backlog, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.jenkins-ci.plugins:backlog to 2.5 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-2153 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

Backlog Plugin stores credentials in job `config.xml` files as part of its configuration. While the credentials are stored encrypted on disk, they are transmitted in plain text as part of the configuration form by Backlog Plugin 2.4 and earlier. These credentials could be viewed by users with Extended Read permission.
O3 Security · Impact-Aware SCA

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CVE-2020-2153: backlog — Fixed in 2.5