CVE-2021-27736
Medium
Description
FusionAuth fusionauth-samlv2 before 0.5.4 allows XXE attacks via a forged AuthnRequest or LogoutRequest because parseFromBytes uses javax.xml.parsers.DocumentBuilderFactory unsafely.
SeverityMedium
CVSS6.5
Exploit probability—
ProductFusionauth Saml
PublishedApr 22, 2021
First seenApr 22, 2021
How to fix
Update
- fusionauth saml_v20.5.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fusionauth saml_v2 | v < 0.5.4 | 0.5.4 |
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