{"id":"CVE-2020-9497","details":"Apache Guacamole 1.1.0 and older do not properly validate datareceived from RDP servers via static virtual channels. If a userconnects to a malicious or compromised RDP server, specially-craftedPDUs could result in disclosure of information within the memory ofthe guacd process handling the connection.","aliases":["BIT-guacamole-2020-9497","BIT-guacamole-server-2020-9497"],"modified":"2026-04-16T00:12:26.370602753Z","published":"2020-07-02T13:15:10.997Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"last_affected":"9.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"32"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"33"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"}]},"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r066543f0565e97b27c0dfe27e93e8a387b99e1e35764000224ed96e7%40%3Cuser.guacamole.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7%40%3Cannounce.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r181b1d5b1acb31cfa69f41b2c86ed3a2cb0b5bc09c2cbd31e9e7c847%40%3Cuser.guacamole.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r3f071de70ea1facd3601e0fa894e6cadc960627ee7199437b5a56f7f%40%3Cannounce.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922%40%3Cannounce.apache.org%3E"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TVV5K2X4EXSAVUUL7IJ3MUJ3ADWMVSBM/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNS7UHBOFV6JHWH5XOEZTE3BREGRSSQ3/"},{"type":"ADVISORY","url":"https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44525"},{"type":"ADVISORY","url":"https://lists.apache.org/thread.html/r65f75d3d65d1af68141f42071ebb27dda24af3e45570e593c1dbd81f%40%3Cannounce.guacamole.apache.org%3E"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/11/msg00010.html"},{"type":"ADVISORY","url":"https://research.checkpoint.com/2020/apache-guacamole-rce/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/guacamole-server","events":[{"introduced":"0"},{"last_affected":"a054073ec7adc2bee97deccd914b3e543566e4fb"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"1.1.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:apache:guacamole:*:*:*:*:*:*:*:*"}}],"versions":["0.8.2","0.8.3","0.9.0","0.9.1","0.9.2","0.9.3","0.9.4","0.9.5","0.9.6","0.9.7","0.9.8","0.9.9","1.1.0","1.1.0-RC1"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-9497.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N"}]}