Vulnerability · Published Jan 11, 2022 · Assigned by apache
CVE-2021-41767Private tunnel identifier may be included in the non-private details of active connections
Medium 6.5
In plain English
A medium-severity information exposure in Apache Guacamole from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities).
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)2.0%top 19.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | guacamole-server | no fix listed | UBUNTU-CVE-2021-41767 |
| Ubuntu:24.04:LTS | guacamole-server | no fix listed | UBUNTU-CVE-2021-41767 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Guacamole | unspecified – through 1.3.0 |
Weakness: CWE-200