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Vulnerability record · CVE-2021-28827 · published 20 April 2021

CVE-2021-28827: Tibco administrator cross-site scripting vulnerability

Tibco · Administrator

The Administration GUI component of TIBCO Software Inc.'s TIBCO Administrator - Enterprise Edition, TIBCO Administrator - Enterprise Edition, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric, TIBCO Administrator - Enterprise Edition for z/Linux, TIBCO Administrator - Enterprise Edition for z/Linux, TIBCO Runtime Agent, TIBCO Runtime Agent, TIBCO Runtime Agent for z/Linux, and TIBCO Runtime Agent for z/Linux contains an easily exploitable vulnerability that allows an unauthenticated attacker to social engineer a legitimate user with network access to execute a Stored XSS attack targeting the affected system. A successful attack using this vulnerability requires human interaction from a person other than the attacker. Affected releases are TIBCO Software Inc.'s TIBCO Administrator - Enterprise Edition: versions 5.10.2 and below, TIBCO Administrator - Enterprise Edition: versions 5.11.0 and 5.11.1, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric: versions 5.10.2 and below, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric: versions 5.11.0 and 5.11.1, TIBCO Administrator - Enterprise Edition for z/Linux: versions 5.10.2 and below, TIBCO Administrator - Enterprise Edition for z/Linux: versions 5.11.0 and 5.11.1, TIBCO Runtime Agent: versions 5.10.2 and below, TIBCO Runtime Agent: versions 5.11.0 and 5.11.1, TIBCO Runtime Agent for z/Linux: versions 5.10.2 and below, and TIBCO Runtime Agent for z/Linux: versions 5.11.0 and 5.11.1.

9.6 CVSS 3.1 Critical EPSS 1.1% · top 35.6% CWE-79 · Cross-site scripting
9.6CVSS 3.1 base score, v2 6.8
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

The Administration GUI component of TIBCO Software Inc.'s TIBCO Administrator - Enterprise Edition, TIBCO Administrator - Enterprise Edition, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric, TIBCO Administrator - Enterprise Edition for z/Linux, TIBCO Administrator - Enterprise Edition for z/Linux, TIBCO Runtime Agent, TIBCO Runtime Agent, TIBCO Runtime Agent for z/Linux, and TIBCO Runtime Agent for z/Linux contains an easily exploitable vulnerability that allows an unauthenticated attacker to social engineer a legitimate user with network access to execute a Stored XSS attack targeting the affected system. A successful attack using this vulnerability requires human interaction from a person other than the attacker. Affected releases are TIBCO Software Inc.'s TIBCO Administrator - Enterprise Edition: versions 5.10.2 and below, TIBCO Administrator - Enterprise Edition: versions 5.11.0 and 5.11.1, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric: versions 5.10.2 and below, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric: versions 5.11.0 and 5.11.1, TIBCO Administrator - Enterprise Edition for z/Linux: versions 5.10.2 and below, TIBCO Administrator - Enterprise Edition for z/Linux: versions 5.11.0 and 5.11.1, TIBCO Runtime Agent: versions 5.10.2 and below, TIBCO Runtime Agent: versions 5.11.0 and 5.11.1, TIBCO Runtime Agent for z/Linux: versions 5.10.2 and below, and TIBCO Runtime Agent for z/Linux: versions 5.11.0 and 5.11.1.

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

Affected products

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

References

LinkTags
http://www.tibco.com/services/support/advisories Vendor Advisory
https://www.tibco.com/support/advisories/2021/04/tibco-security-advisory-april-20-2021-tibco-administrator-2021-28827 Vendor Advisory
http://www.tibco.com/services/support/advisories Vendor Advisory
https://www.tibco.com/support/advisories/2021/04/tibco-security-advisory-april-20-2021-tibco-administrator-2021-28827 Vendor Advisory

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Related vulnerabilities

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

10.0CVE-2008-3338Tibco hawk memory buffer overflow vulnerabilityMultiple buffer overflows in TIBCO Hawk (1) AMI C library (libtibhawkami) and (2) Hawk HMA (tibhawkhma), as used in TIBCO Hawk before 4.8.1; Runtime …EPSS 4.8%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%8.8CVE-2023-26219Tibco hawk hard-coded credentials vulnerabilityThe Hawk Console and Hawk Agent components of TIBCO Software Inc.'s TIBCO Hawk, TIBCO Hawk Distribution for TIBCO Silver Fabric, TIBCO Operational In…EPSS 0.43%8.8CVE-2021-28828Tibco administrator sql injection vulnerabilityThe Administration GUI component of TIBCO Software Inc.'s TIBCO Administrator - Enterprise Edition, TIBCO Administrator - Enterprise Edition, TIBCO A…EPSS 0.84%8.0CVE-2021-28829Tibco administrator injection vulnerabilityThe Administration GUI component of TIBCO Software Inc.'s TIBCO Administrator - Enterprise Edition, TIBCO Administrator - Enterprise Edition, TIBCO A…EPSS 0.68%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%7.2CVE-2011-0649Tibco rendezvous vulnerabilityMultiple unspecified vulnerabilities in TIBCO Rendezvous 8.2.1 through 8.3.0, Enterprise Message Service (EMS) 5.1.0 through 6.0.0, Runtime Agent (TR…EPSS 0.38%7.2CVE-2010-0184Tibco runtime agent permissions and access controls vulnerabilityThe (1) domainutility and (2) domainutilitycmd components in TIBCO Domain Utility in TIBCO Runtime Agent (TRA) before 5.6.2, as used in TIBCO ActiveM…EPSS 0.31%

Source: NIST National Vulnerability Database (record CVE-2021-28827), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.