Vulnerability Details : CVE-2021-21087
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.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-21087
- cpe:2.3:a:adobe:coldfusion:2016:-:*:*:*:*:*:*
- cpe:2.3:a:adobe:coldfusion:2016:update1:*:*:*:*:*:*
- 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:2018:-:*:*:*:*:*:*
- cpe:2.3:a:adobe:coldfusion:2018:update1:*:*:*:*:*:*
- 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:update2:*:*:*:*:*:*
- cpe:2.3:a:adobe:coldfusion:2018:update3:*:*:*:*:*:*
- cpe:2.3:a:adobe:coldfusion:2016:update10:*:*:*:*:*:*
- cpe:2.3:a:adobe:coldfusion:2016:update11:*:*:*:*:*:*
- 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: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:2018:update10:*:*:*:*:*:*
- 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:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-21087
0.36%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 72 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-21087
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
Adobe Systems Incorporated |
CWE ids for CVE-2021-21087
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- nvd@nist.gov (Secondary)
- psirt@adobe.com (Primary)
References for CVE-2021-21087
-
https://helpx.adobe.com/security/products/coldfusion/apsb21-16.html
Adobe Security BulletinPatch;Vendor Advisory
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