CVE-2022-45326

Severity: medium (CVSS 4.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-12-06 · updated 2026-06-17
Weakness: CWE-611

Description

An XML external entity (XXE) injection vulnerability in Kwoksys Kwok Information Server before v2.9.5.SP31 allows remote authenticated users to conduct server-side request forgery (SSRF) attacks.

Affected products

Kwoksys Information Server: before 2.9.5; 2.9.5-sp23, 2.9.5-sp25, 2.9.5-sp26, 2.9.5-sp29, 2.9.5-sp30 — fixed in 2.9.5

How to fix

Upgrade to a fixed version: Kwoksys Information Server 2.9.5. Check the vendor advisory for mitigations.

References

http://www.kwoksys.com/wiki/index.php?title=Release_Notes
https://www.navsec.net/2022/11/12/kwoksys-xxe.html
http://www.kwoksys.com/wiki/index.php?title=Release_Notes
https://www.navsec.net/2022/11/12/kwoksys-xxe.html

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