9.6
CRITICAL
CVE-2021-28827
TIBCO TIBCO Administrator Stored XSS 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.

INFO

Published Date :

April 20, 2021, 7:15 p.m.

Last Modified :

Nov. 7, 2023, 3:32 a.m.

Remotely Exploitable :

Yes !

Impact Score :

6.0

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-28827 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tibco runtime_agent
2 Tibco administrator
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-28827.

URL Resource
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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-28827 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-28827 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Removed CVSS V3 TIBCO Software Inc. AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
    Added CVSS V3.1 TIBCO Software Inc. AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
  • Initial Analysis by [email protected]

    Apr. 27, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
    Changed Reference Type http://www.tibco.com/services/support/advisories No Types Assigned http://www.tibco.com/services/support/advisories Vendor Advisory
    Changed Reference Type https://www.tibco.com/support/advisories/2021/04/tibco-security-advisory-april-20-2021-tibco-administrator-2021-28827 No Types Assigned https://www.tibco.com/support/advisories/2021/04/tibco-security-advisory-april-20-2021-tibco-administrator-2021-28827 Vendor Advisory
    Added CWE NIST CWE-79
    Added CPE Configuration OR *cpe:2.3:a:tibco:administrator:*:*:*:*:enterprise:*:*:* versions up to (including) 5.10.2 *cpe:2.3:a:tibco:administrator:*:*:*:*:enterprise:silver_fabric:*:* versions up to (including) 5.10.2 *cpe:2.3:a:tibco:administrator:*:*:*:*:enterprise:z\/linux:*:* versions up to (including) 5.10.2 *cpe:2.3:a:tibco:administrator:5.11.0:*:*:*:enterprise:*:*:* *cpe:2.3:a:tibco:administrator:5.11.0:*:*:*:enterprise:silver_fabric:*:* *cpe:2.3:a:tibco:administrator:5.11.0:*:*:*:enterprise:z\/linux:*:* *cpe:2.3:a:tibco:administrator:5.11.1:*:*:*:enterprise:*:*:* *cpe:2.3:a:tibco:administrator:5.11.1:*:*:*:enterprise:silver_fabric:*:* *cpe:2.3:a:tibco:administrator:5.11.1:*:*:*:enterprise:z\/linux:*:* *cpe:2.3:a:tibco:runtime_agent:*:*:*:*:*:*:*:* versions up to (including) 5.10.2 *cpe:2.3:a:tibco:runtime_agent:*:*:*:*:*:z\/linux:*:* versions up to (including) 5.10.2 *cpe:2.3:a:tibco:runtime_agent:5.11.0:*:*:*:*:*:*:* *cpe:2.3:a:tibco:runtime_agent:5.11.0:*:*:*:*:z\/linux:*:* *cpe:2.3:a:tibco:runtime_agent:5.11.1:*:*:*:*:*:*:* *cpe:2.3:a:tibco:runtime_agent:5.11.1:*:*:*:*:z\/linux:*:*
  • CVE Modified by [email protected]

    Apr. 20, 2021

    Action Type Old Value New Value
    Added Reference https://www.tibco.com/support/advisories/2021/04/tibco-security-advisory-april-20-2021-tibco-administrator-2021-28827 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-28827 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-28827 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.21 }} -0.01%

score

0.59412

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability