CVE-2022-23463

SpEL Injection in Nepxion Discovery

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.

Affected

Nepxion · Discover

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 GITHUB

9.4 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

EPSS

2.26% chance of exploitation in the next 30 days, 83rd percentile

Published

2022-09-24

Updated

2025-04-22

Proof-of-concept exploits (1)

• https://securitylab.github.com/advisories/GHSL-2022-033_GHSL-2022-034_Discovery/

Security advisories

• https://securitylab.github.com/advisories/GHSL-2022-033_GHSL-2022-034_Discovery
• advisories/GHSA-q979-9m39-23mq

References

• CVE Record
• NVD entry