CVE-2021-28827 — CRITICAL (9.6)

Q: How severe is CVE-2021-28827?

CVE-2021-28827 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-28827?

Check the references section above for vendor advisories and patch information. Affected products include: Tibco Administrator, Tibco Runtime Agent.

Vulnerability 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 Score

9.6

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

LOW

Affected Products

Vendor	Product	Versions
Tibco	Administrator	<= 5.10.2
Tibco	Runtime Agent	<= 5.10.2

Related Weaknesses (CWE)

CWE-79

References

http://www.tibco.com/services/support/advisoriesVendor Advisory
https://www.tibco.com/support/advisories/2021/04/tibco-security-advisory-april-2Vendor Advisory
http://www.tibco.com/services/support/advisoriesVendor Advisory
https://www.tibco.com/support/advisories/2021/04/tibco-security-advisory-april-2Vendor Advisory

FAQ

What is CVE-2021-28827?

CVE-2021-28827 is a vulnerability with a CVSS score of 9.6 (CRITICAL). The Administration GUI component of TIBCO Software Inc.'s TIBCO Administrator - Enterprise Edition, TIBCO Administrator - Enterprise Edition, TIBCO Administrator - Enterprise Edition Distribution for ...

How severe is CVE-2021-28827?

CVE-2021-28827 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-28827?

Check the references section above for vendor advisories and patch information. Affected products include: Tibco Administrator, Tibco Runtime Agent.