CVE-2021-23258

Spring SPEL Expression Language Injection

Severity Score

7.2

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Authenticated users with Administrator or Developer roles may execute OS commands by SPEL Expression in Spring beans. SPEL Expression does not have security restrictions, which will cause attackers to execute arbitrary commands remotely (RCE).

Los usuarios autenticados con roles de Administrador o Desarrollador pueden ejecutar comandos del SO mediante SPEL Expression en Spring beans. SPEL Expression no presenta restricciones de seguridad, lo que causará que atacantes ejecuten comandos arbitrarios de forma remota (RCE)

*Credits: Kai Zhao (ToTU Security Team)

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-08 CVE Reserved
2021-12-02 CVE Published
2023-06-25 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-913: Improper Control of Dynamically-Managed Code Resources

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2021120101	2021-12-03

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Craftercms Search vendor "Craftercms"		Crafter Cms Search vendor "Craftercms" for product "Crafter Cms"				>= 3.1.0 < 3.1.12 Search vendor "Craftercms" for product "Crafter Cms" and version " >= 3.1.0 < 3.1.12"		-		Affected