5.4
MEDIUM
CVE-2021-21087
Adobe Coldfusion Cross-site Scripting Vulnerability
Description

Adobe Coldfusion versions 2016 (update 16 and earlier), 2018 (update 10 and earlier) and 2021.0.0.323925 are affected by an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability. An attacker could abuse this vulnerability to execute arbitrary JavaScript code in context of the current user. Exploitation of this issue requires user interaction.

INFO

Published Date :

April 15, 2021, 2:15 p.m.

Last Modified :

Nov. 7, 2023, 3:29 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

2.7

Exploitability Score :

2.3
Public PoC/Exploit Available at Github

CVE-2021-21087 has a 7 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-21087 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 Adobe coldfusion
: Total Affected Vendor : 1 | Products : 1
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-2021-21087.

URL Resource
https://helpx.adobe.com/security/products/coldfusion/apsb21-16.html Patch 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).

Profile Photo
XiaomingX/awesome-poc-for-red-team

None

Updated: 4 days, 17 hours ago
0 stars 2 fork 2 watcher
Born at : Nov. 17, 2024, 11:53 a.m. This repo has been linked 414 different CVEs too.
Profile Photo
J1ezds/Vulnerability-Wiki-page

这是一个每天同步Vulnerability-Wiki中docs-base中内容的项目

HTML

Updated: 2 months ago
0 stars 0 fork 0 watcher
Born at : Sept. 20, 2024, 3:27 a.m. This repo has been linked 203 different CVEs too.
Profile Photo
d4n-sec/d4n-sec.github.io

None

CSS HTML JavaScript

Updated: 9 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Feb. 2, 2024, 2:11 p.m. This repo has been linked 494 different CVEs too.
Profile Photo
0day404/vulnerability-poc

A Common Vulnerability PoC Knowledge Base一个普遍漏洞POC知识库

vulnerability

Updated: 4 months ago
17 stars 6 fork 6 watcher
Born at : June 24, 2023, 3:12 p.m. This repo has been linked 232 different CVEs too.
Profile Photo
Threekiii/Awesome-POC

一个漏洞POC知识库 目前数量 1000+

poc

Updated: 2 months, 2 weeks ago
3417 stars 682 fork 682 watcher
Born at : Feb. 20, 2022, 6:43 a.m. This repo has been linked 405 different CVEs too.
Profile Photo
tzwlhack/Vulnerability

None

Updated: 2 months, 2 weeks ago
66 stars 14 fork 14 watcher
Born at : Oct. 13, 2021, 4:56 a.m. This repo has been linked 175 different CVEs too.
Profile Photo
ARPSyndicate/kenzer-templates

essential templates for kenzer [DEPRECATED]

kenzer vulnerabilities kenzer-templates arpsyndicate

Python Shell Ruby

Updated: 3 months, 1 week ago
106 stars 32 fork 32 watcher
Born at : Sept. 18, 2020, 9:03 p.m. This repo has been linked 1653 different CVEs too.

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

The following list is the news that have been mention CVE-2021-21087 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-21087 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
    Added CVSS V3 Adobe Systems Incorporated AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    Removed CVSS V3.1 Adobe Systems Incorporated AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
  • Modified Analysis by [email protected]

    Jun. 03, 2022

    Action Type Old Value New Value
    Changed Reference Type https://helpx.adobe.com/security/products/coldfusion/apsb21-16.html Vendor Advisory https://helpx.adobe.com/security/products/coldfusion/apsb21-16.html Patch, Vendor Advisory
  • CVE Modified by [email protected]

    Jul. 02, 2021

    Action Type Old Value New Value
    Removed CVSS V3.1 Adobe Systems Incorporated AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
    Added CVSS V3.1 Adobe Systems Incorporated AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    Removed CVSS V3.1 Reason S-Security boundary
    Removed CVSS V3.1 Reason A-No availability impacts identified
    Removed CVSS V3.1 Reason AC-No Race Condition
  • Modified Analysis by [email protected]

    Jul. 01, 2021

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:M/Au:S/C:P/I:P/A:P)
    Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:N/I:P/A:N)
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    Added CWE NIST CWE-79
  • CVE Modified by [email protected]

    Jun. 28, 2021

    Action Type Old Value New Value
    Changed Description Adobe Coldfusion versions 2016 (update 16 and earlier), 2018 (update 10 and earlier) and 2021.0.0.323925 are affected by an Improper Neutralization of Directives in Dynamically Evaluated Code (‘Eval Injection’) vulnerability. An attacker could abuse this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction. Adobe Coldfusion versions 2016 (update 16 and earlier), 2018 (update 10 and earlier) and 2021.0.0.323925 are affected by an Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability. An attacker could abuse this vulnerability to execute arbitrary JavaScript code in context of the current user. Exploitation of this issue requires user interaction.
  • Initial Analysis by [email protected]

    Apr. 20, 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:S/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://helpx.adobe.com/security/products/coldfusion/apsb21-16.html No Types Assigned https://helpx.adobe.com/security/products/coldfusion/apsb21-16.html Vendor Advisory
    Added CPE Configuration OR *cpe:2.3:a:adobe:coldfusion:2016:-:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2016:update1:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2016:update10:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2016:update11:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2016:update12:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2016:update13:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2016:update14:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2016:update15:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2016:update16:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2016:update2:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2016:update3:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2016:update4:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2016:update5:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2016:update6:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2016:update7:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2016:update8:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2016:update9:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2018:-:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2018:update1:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2018:update10:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2018:update2:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2018:update3:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2018:update4:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2018:update5:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2018:update6:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2018:update7:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2018:update8:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2018:update9:*:*:*:*:*:* *cpe:2.3:a:adobe:coldfusion:2021.0.0.323925:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 16, 2021

    Action Type Old Value New Value
    Changed Description Adobe Coldfusion versions 2016 (update 16 and earlier) and 2018 (update 10 and earlier) are affected by an Improper Neutralization of Directives in Dynamically Evaluated Code (‘Eval Injection’) vulnerability. An attacker could abuse this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction. Adobe Coldfusion versions 2016 (update 16 and earlier), 2018 (update 10 and earlier) and 2021.0.0.323925 are affected by an Improper Neutralization of Directives in Dynamically Evaluated Code (‘Eval Injection’) vulnerability. An attacker could abuse this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction.
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-2021-21087 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-2021-21087 weaknesses.

Exploit Prediction

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

0.36 }} -0.03%

score

0.72395

percentile

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