CVE-2021-43999
8.8
HIGH
CVSS 3.1
EPSS 1.8%
Description
Apache Guacamole 1.2.0 and 1.3.0 do not properly validate responses received from a SAML identity provider. If SAML support is enabled, this may allow a malicious user to assume the identity of another Guacamole user.
How to fix CVE-2021-43999
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Bitnami/guacamole—no fix listed
- Bitnami/guacamole-server—no fix listed
Is CVE-2021-43999 being exploited?
Low — EPSS is 1.8%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 1.2.0, <= 1.2.0, >= 1.3.0, <= 1.3.0
- >= 1.2.0, <= 1.2.0, >= 1.3.0, <= 1.3.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |