Vulnerability record · CVE-2021-28818 · published 23 March 2021

CVE-2021-28818: Tibco rendezvous vulnerability

Tibco · Rendezvous

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.

7.8 CVSS 3.1 High EPSS 0.25% · top 85.2%

7.8CVSS 3.1 base score, v2 4.6

0.25%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

2References

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Rendezvous Tibco

References

Link	Tags
http://www.tibco.com/services/support/advisories	Vendor Advisory
http://www.tibco.com/services/support/advisories	Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2008-1703Tibco adapter files z os memory buffer overflow vulnerabilityMultiple buffer overflows in TIBCO Software Rendezvous before 8.1.0, as used in multiple TIBCO products, allow remote attackers to execute arbitrary …EPSS 4.8%11 Apr 2008 8.8CVE-2018-12414Tibco rendezvous cross-site request forgery vulnerabilityThe Rendezvous Routing Daemon (rvrd), Rendezvous Secure Routing Daemon (rvrsd), Rendezvous Secure Daemon (rvsd), Rendezvous Cache (rvcache), and Rend…EPSS 0.67%6 Nov 2018 7.8CVE-2021-28817Tibco rendezvous vulnerabilityThe Windows Installation component of TIBCO Software Inc.'s TIBCO Rendezvous and TIBCO Rendezvous Developer Edition contains a vulnerability that the…EPSS 0.25%23 Mar 2021 7.8CVE-2007-4158Tibco rendezvous vulnerabilityMemory leak in TIBCO Rendezvous (RV) daemon (rvd) 7.5.2, 7.5.3 and 7.5.4 allows remote attackers to cause a denial of service (memory consumption) vi…EPSS 2.4%3 Aug 2007 7.8CVE-2007-4162Tibco rendezvous vulnerabilityTIBCO Rendezvous (RV) 7.5.2 does not protect confidentiality or integrity of inter-daemon communication, which allows remote attackers to capture and…EPSS 1.3%3 Aug 2007 7.5CVE-2015-4555Tibco messaging appliance vulnerabilityBuffer overflow in the HTTP administrative interface in TIBCO Rendezvous before 8.4.4, Rendezvous Network Server before 1.1.1, Substation ES before 2…EPSS 4.6%30 Aug 2015 7.5CVE-2014-2543Tibco rendezvous memory buffer overflow vulnerabilityBuffer overflow in the Rendezvous Daemon (rvd), Rendezvous Routing Daemon (rvrd), Rendezvous Secure Daemon (rvsd), and Rendezvous Secure Routing Daem…EPSS 4.0%8 Apr 2014 7.5CVE-2006-2830Tibco hawk vulnerabilityBuffer overflow in TIBCO Rendezvous before 7.5.1, TIBCO Runtime Agent (TRA) before 5.4, and Hawk before 4.6.1 allows remote attackers to cause a deni…EPSS 6.0%5 Jun 2006

Source: NIST National Vulnerability Database (record CVE-2021-28818), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.