CVE-2021-28818

HIGH

TIBCO Rendezvous - Local Privilege Escalation

Title source: llm
STIX 2.1

Description

The Rendezvous Routing Daemon (rvrd), Rendezvous Secure Routing Daemon (rvrsd), Rendezvous Secure Daemon (rvsd), Rendezvous Cache (rvcache), Rendezvous Secure C API, Rendezvous Java API, and Rendezvous .Net API components of TIBCO Software Inc.'s TIBCO Rendezvous and TIBCO Rendezvous Developer Edition contain a vulnerability that theoretically allows a low privileged attacker with local access on the Windows operating system to insert malicious software. The affected component can be abused to execute the malicious software inserted by the attacker with the elevated privileges of the component. This vulnerability results from the affected component searching for run-time artifacts outside of the installation hierarchy. Affected releases are TIBCO Software Inc.'s TIBCO Rendezvous: versions 8.5.1 and below and TIBCO Rendezvous Developer Edition: versions 8.5.1 and below.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
http://www.tibco.com/services/support/advisories

Scores

CVSS v3 8.8
EPSS 0.0005
EPSS Percentile 16.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Details

Status published
Products (1)
tibco/rendezvous < 8.5.1 (2 CPE variants)
Published Mar 23, 2021
Tracked Since Feb 18, 2026