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XML External Entity Injection in PyWPS

High severity GitHub Reviewed Published Sep 2, 2021 to the GitHub Advisory Database • Updated Apr 14, 2023

Package

pip pywps (pip)

Affected versions

< 4.5.0

Patched versions

4.5.0

Description

An XML external entity (XXE) injection in PyWPS before 4.5.0 allows an attacker to view files on the application server filesystem by assigning a path to the entity. OWSLib 0.24.1 may also be affected.

References

Published by the National Vulnerability Database Aug 23, 2021
Reviewed Aug 25, 2021
Published to the GitHub Advisory Database Sep 2, 2021
Last updated Apr 14, 2023

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weaknesses

CVE ID

CVE-2021-39371

GHSA ID

GHSA-p9wf-3xpg-c9g5

Source code

Credits

Checking history
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