CVE-2024-6202: HaloITSM - SAML XML Signature Wrapping (XSW)

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-08-06 · updated 2026-06-17
Weakness: CWE-863

Description

HaloITSM versions up to 2.146.1 are affected by a SAML XML Signature Wrapping (XSW) vulnerability. When having a SAML integration configured, anonymous actors could impersonate arbitrary HaloITSM users by just knowing their email address. HaloITSM versions past 2.146.1 (and patches starting from 2.143.61 ) fix the mentioned vulnerability.

Affected products

Halo Service Solutions HaloITSM: before 2.143.61; from 2.144 before 2.146.1 — fixed in 2.143.61, 2.146.1

How to fix

Upgrade to a fixed version: Halo Service Solutions HaloITSM 2.143.61, 2.146.1. Check the vendor advisory for mitigations.

References

https://haloitsm.com/guides/article/?kbid=2154

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