CVE-2021-43999: Improper Authentication

January 11, 2022 (updated January 14, 2022)

Apache Guacamole 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.

References

www.openwall.com/lists/oss-security/2022/01/11/7
lists.apache.org/thread/4dt9h5mo4o9rxlgxm3rp8wfqdtdjn2z9
nvd.nist.gov/vuln/detail/CVE-2021-43999

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