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TI-2021-09808 Aliases CVE-2021-28817GHSA-q22m-grh7-c8wj

TIBCO Rendezvous Windows Platform Installation vulnerability

Priority LOW 38Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

The Windows Installation component of TIBCO Software Inc.'s TIBCO Rendezvous and TIBCO Rendezvous Developer Edition contains a vulnerability that theoretically allows a low privileged attacker with local access on some versions of 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 a lack of access restrictions on certain files and/or folders in the installation. 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.

Why it matters now

EPSS 0.0026 17th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
TIBCOTIBCO Rendezvousup to 8.5.1—No fix listedCNA
TIBCOTIBCO Rendezvous Developer Editionup to 8.5.1—No fix listedCNA
  • TIBCO Rendezvous VendorTIBCO Affected up to 8.5.1 Fixed in — No fix listed CNA
  • TIBCO Rendezvous Developer Edition VendorTIBCO Affected up to 8.5.1 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:tibco:rendezvous:*:*:*:*:*:*:*:*up to 8.5.1VulnerableTIBCO
cpe:2.3:a:tibco:rendezvous:*:*:*:*:developer:*:*:*up to 8.5.1VulnerableTIBCO
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:tibco:rendezvous:*:*:*:*:*:*:*:* Versions up to 8.5.1 Vulnerable ·TIBCO
  • cpe:2.3:a:tibco:rendezvous:*:*:*:*:developer:*:*:* Versions up to 8.5.1 Vulnerable ·TIBCO
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-28817
  2. 2026-10-03 Alias added: GHSA-q22m-grh7-c8wj

References

Advisory 1

  • TI-2008-01632 Multiple buffer overflows in TIBCO Software Rendezvous before 8.1.0, as used in multiple… CVSS 2.0HIGH 9.3
  • TI-2006-02738 Buffer overflow in TIBCO Rendezvous before 7.5.1, TIBCO Runtime Agent (TRA) before 5.4… CVSS 2.0HIGH 7.5
  • TI-2015-03832 Buffer overflow in the HTTP administrative interface in TIBCO Rendezvous before 8.4.4… CVSS 2.0HIGH 7.5
  • TI-2014-02045 Buffer overflow in the Rendezvous Daemon (rvd), Rendezvous Routing Daemon (rvrd)… CVSS 2.0HIGH 7.5
  • TI-2018-08913 TIBCO Rendezvous Vulnerable to CSRF Attacks CVSS 3.0HIGH 8.8
  • TI-2007-04026 Memory leak in TIBCO Rendezvous (RV) daemon (rvd) 7.5.2, 7.5.3 and 7.5.4 allows remote… CVSS 2.0HIGH 7.8
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences