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CVE-2021-21087

MEDIUM
Published 2021-04-15T13:54:29.883Z
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CVSS Score

V3.0
5.4
/10
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.808
probability
of exploitation in the wild

There is a 80.8% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.991
Higher than 99.1% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED

Impact Metrics

Confidentiality
LOW
Integrity
LOW
Availability
NONE

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.

Available Exploits

Adobe ColdFusion - Cross-Site Scripting

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.

ID: CVE-2021-21087
Author: Daviey Medium

References:

Related News

No news articles found for this CVE.

Affected Products

Adobe

ColdFusion

Affected Versions:

unspecified unspecified unspecified unspecified

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-9mx8-9vhh-5qr7

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-21087
WEB https://helpx.adobe.com/security/products/coldfusion/apsb21-16.html

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: June 4, 2022

References

https://helpx.adobe.com/security/products/coldfusion/apsb21-16.html
Published: 2021-04-15T13:54:29.883Z
Last Modified: 2025-04-23T19:41:40.132Z
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