CVE-2021-27230 : ExpressionEngine before 5.4.2 and 6.x before 6.0.3 allows PHP Code Injection by

ExpressionEngine before 5.4.2 and 6.x before 6.0.3 allows PHP Code Injection by certain authenticated users who can leverage Translate::save() to write to an _lang.php file under the system/user/language directory.

Published 2021-03-15 23:15:13

Updated 2022-07-12 17:42:04

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-27230

Expressionengine » Expressionengine
Versions before (<) 5.4.2
cpe:2.3:a:expressionengine:expressionengine:*:*:*:*:*:*:*:*
Matching versions
Expressionengine » Expressionengine
Versions from including (>=) 6.0.0 and before (<) 6.0.3
cpe:2.3:a:expressionengine:expressionengine:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-27230

EPSS FAQ

3.01%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 85 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-27230

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.5	MEDIUM	AV:N/AC:L/Au:S/C:P/I:P/A:P	8.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-27230

CWE-94 Improper Control of Generation of Code ('Code Injection')

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-27230

http://packetstormsecurity.com/files/161805/ExpressionEngine-6.0.2-PHP-Code-Injection.html

ExpressionEngine 6.0.2 PHP Code Injection ≈ Packet Storm
Exploit;Third Party Advisory;VDB Entry
https://expressionengine.com/features

ExpressionEngine — The Best Open Source CMS
Vendor Advisory
https://hackerone.com/reports/1093444

Sign in
Permissions Required;Third Party Advisory
http://karmainsecurity.com/KIS-2021-03

ExpressionEngine <= 6.0.2 (Translate::save) PHP Code Injection Vulnerability | Karma(In)Security
Exploit;Third Party Advisory
http://seclists.org/fulldisclosure/2021/Mar/32

Full Disclosure: [KIS-2021-03] ExpressionEngine <= 6.0.2 (Translate::save) PHP Code Injection Vulnerability
Mailing List;Third Party Advisory

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Vulnerability Details : CVE-2021-27230

Products affected by CVE-2021-27230

Exploit prediction scoring system (EPSS) score for CVE-2021-27230

CVSS scores for CVE-2021-27230

CWE ids for CVE-2021-27230

References for CVE-2021-27230