XXE in Qualys Web Application Screening

CVE-2023-6149

Qualys Jenkins Plugin for WAS prior to version and including 2.0.11 was identified to be affected by a security flaw, which was missing a permission check while performing a connectivity check to Qualys Cloud Services. This allowed any user with login access to configure or edit jobs to utilize the plugin and configure potential a rouge endpoint via which it was possible to control response for certain request which could be injected with XXE payloads leading to XXE while processing the response data

Vulnerability class: XXE (XML External Entity)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (37.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-6149: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-6149?
CVE-2023-6149 is a medium-severity vulnerability in Qualys Web Application Screening, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 5.7/10. Published 2024-01-09.
How severe is CVE-2023-6149?
Medium severity. CVSS v3 base score is 5.7 out of 10.
Is CVE-2023-6149 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.