Vulnerability Details : CVE-2021-33199
In Expression Engine before 6.0.3, addonIcon in Addons/file/mod.file.php relies on the untrusted input value of input->get('file') instead of the fixed file names of icon.png and icon.svg.
Vulnerability category: Input validation
Products affected by CVE-2021-33199
- cpe:2.3:a:expressionengine:expressionengine:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-33199
0.22%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-33199
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-33199
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-33199
-
https://github.com/ExpressionEngine/ExpressionEngine/compare/6.0.1...6.0.3#diff-17bcb23e5666fc2dccb79c7133e9eeb701847f67ae84fbde0a673c3fd3d109e0R508
Comparing 6.0.1...6.0.3 · ExpressionEngine/ExpressionEngine · GitHubPatch;Third Party Advisory
-
https://github.com/ExpressionEngine/ExpressionEngine/releases/tag/6.0.3
Release ExpressionEngine 6.0.3 · ExpressionEngine/ExpressionEngine · GitHubRelease Notes;Third Party Advisory
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