Description
Apache Guacamole 1.5.1 and older may incorrectly calculate the lengths of instruction elements sent during the Guacamole protocol handshake, potentially allowing an attacker to inject Guacamole instructions during the handshake through specially-crafted data.
References (1)
Core 1
Core References
Mailing List, Third Party Advisory vendor-advisory
https://lists.apache.org/thread/tn63n2lon0h5p45oft834t1dqvvxownv
Scores
CVSS v3
6.5
EPSS
0.0116
EPSS Percentile
62.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-131
Status
published
Products (1)
apache/guacamole
< 1.5.2
Published
Jun 07, 2023
Tracked Since
Feb 18, 2026