Vulnerability Details : CVE-2021-41767
Apache Guacamole 1.3.0 and older may incorrectly include a private tunnel identifier in the non-private details of some REST responses. This may allow an authenticated user who already has permission to access a particular connection to read from or interact with another user's active use of that same connection.
Vulnerability category: Information leak
Products affected by CVE-2021-41767
- cpe:2.3:a:apache:guacamole:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-41767
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 14 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-41767
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-41767
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by:
- nvd@nist.gov (Primary)
- security@apache.org (Secondary)
References for CVE-2021-41767
-
http://www.openwall.com/lists/oss-security/2022/01/11/6
oss-security - [SECURITY] CVE-2021-41767: Apache Guacamole: Private tunnel identifier may be included in the non-private details of active connectionsMailing List;Third Party Advisory
-
https://lists.apache.org/thread/5l31k4jmzdsfz0xt8osrbl878gb3b7ro
[SECURITY] CVE-2021-41767: Apache Guacamole: Private tunnel identifier may be included in the non-private details of active connections-Apache Mail ArchivesMailing List;Vendor Advisory
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