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MEDIUM severity

CVE-2023-39154 — qualys-was

MEDIUM

CVE-2023-39154 is a medium-severity (CVSS 4.2) CWE-863 vulnerability in com.qualys.plugins:qualys-was. A fix is available for com.qualys.plugins:qualys-was — see the affected versions and patch details below.

Incorrect permission checks in Qualys Web App Scanning Connector Plugin allow capturing credentials

Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 3, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2023-39154.

EPSS Exploitation Probability

via FIRST.org ↗
0.6%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs48th percentile — riskier than 48% of all scored CVEsHighest risk
0.00%0.36%0.72%1.08%0.1%0.6%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
☕com.qualys.plugins:qualys-was

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

Qualys Web App Scanning Connector Plugin 2.0.10 and earlier does not correctly perform permission checks in several HTTP endpoints.

This allows attackers with global Item/Configure permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

Qualys Web App Scanning Connector Plugin 2.0.11 requires the appropriate permissions for the affected HTTP endpoints.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavencom.qualys.plugins:qualys-wasall versions2.0.11com.qualys.plugins:qualys-was:2.0.11

Affected Products

1 product · 1 configurations
Application
qualys web app scanning connectorjenkins
≤ 2.0.10
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 com.qualys.plugins:qualys-was, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update com.qualys.plugins:qualys-was to 2.0.11 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2023-39154 is resolved across your whole dependency graph.

  3. Workarounds

    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

Qualys Web App Scanning Connector Plugin 2.0.10 and earlier does not correctly perform permission checks in several HTTP endpoints. This allows attackers with global Item/Configure permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins. Qualys Web App Scanning Connector Plugin 2.0.11 requires the appropriate permissions for the affected HTTP endpoints.
O3 Security · Impact-Aware SCA

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CVE-2023-39154: qualys-was — Fixed in 2.0.11