CVE-2021-43999: vulnerability in Apache Guacamole
Improper validation of SAML responses
Published · Updated
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3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 1.8%
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.
Affected products
Apache Software Foundation · Apache GuacamoleRelated CVEs — Apache Guacamole
In the same product, most dangerous first.
CVE-2018-1340—CVE-2018-1340EPSS 2.0%CVE-2021-41767—Private tunnel identifier may be included in the non-private details of active connectionsEPSS 2.0%CVE-2017-3158—CVE-2017-3158EPSS 1.2%CVE-2023-30576MEDIUMApache Guacamole: Use-after-free in handling of RDP audio input bufferEPSS 1.1%CVE-2023-30575MEDIUMApache Guacamole: Incorrect calculation of Guacamole protocol element lengthsEPSS 1.0%CVE-2023-43826HIGHApache Guacamole: Integer overflow in handling of VNC image buffersEPSS 0.9%