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MEDIUM severity

CVE-2019-10377 — avatar

MEDIUM

CVE-2019-10377 is a medium-severity (CVSS 4.3) CWE-862 vulnerability in net.hurstfrost.jenkins:avatar. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Missing permission check in Jenkins Avatar Plugin

Also known asGHSA-mg72-h5gj-8gg7
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 6, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.7%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs53th percentile — riskier than 53% of all scored CVEsHighest risk
0.00%0.40%0.80%1.19%0.0%0.7%May 26Sep 26Nov 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
☕net.hurstfrost.jenkins:avatar

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

A missing permission check in Jenkins Avatar Plugin 1.2 and earlier allows attackers with Overall/Read access to change the avatar of any user of Jenkins.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
☕Mavennet.hurstfrost.jenkins:avatarall versionsNo fix

Affected Products

1 product · 1 configurations
Application
avatarjenkins
≤ 1.2
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 net.hurstfrost.jenkins:avatar, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of net.hurstfrost.jenkins:avatar for CVE-2019-10377. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

A missing permission check in Jenkins Avatar Plugin 1.2 and earlier allows attackers with Overall/Read access to change the avatar of any user of Jenkins.
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CVE-2019-10377: avatar (Medium 4.3)