CVE-2022-23463

SpEL Injection in Nepxion Discovery

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Nepxion Discovery is a solution for Spring Cloud. Discover is vulnerable to SpEL Injection in discovery-commons. DiscoveryExpressionResolver’s eval method is evaluating expression with a StandardEvaluationContext, allowing the expression to reach and interact with Java classes such as java.lang.Runtime, leading to Remote Code Execution. There is no patch available for this issue at time of publication. There are no known workarounds.

Nepxion Discovery es una solución para Spring Cloud. Discover es vulnerable a una inyección de SpEL en discovery-commons. El método eval de DiscoveryExpressionResolver evalúa la expresión con un StandardEvaluationContext, permitiendo a la expresión alcanzar e interactuar con clases Java como java.lang.Runtime, conllevando a una ejecución de código remota. No se presenta ningún parche disponible para este problema en el momento de la publicación. No se presentan mitigaciones conocidas.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-01-19 CVE Reserved
2022-09-24 CVE Published
2024-04-16 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-917: Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://securitylab.github.com/advisories/GHSL-2022-033_GHSL-2022-034_Discovery	2024-08-03

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Nepxion Search vendor "Nepxion"		Discovery Search vendor "Nepxion" for product "Discovery"				<= 6.16.2 Search vendor "Nepxion" for product "Discovery" and version " <= 6.16.2"		spring_cloud		Affected