Is CVE-2025-30157 in the CISA KEV catalog?

No. CVE-2025-30157 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-30157?

CVE-2025-30157 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2025-30157?

CVE-2025-30157 has an EPSS score of 0.41% (32th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-30157?

Upgrade envoy to 1.32.4 or later.

CVE & CISA-KEV Catalog

CVE-2025-30157

MEDIUM

6.5

CVSS v3

NVD

Description

Envoy is a cloud-native high-performance edge/middle/service proxy. Prior to 1.33.1, 1.32.4, 1.31.6, and 1.30.10, Envoy's ext_proc HTTP filter is at risk of crashing if a local reply is sent to the external server due to the filter's life time issue. A known situation is the failure of a websocket handshake will trigger a local reply leading to the crash of Envoy. This vulnerability is fixed in 1.33.1, 1.32.4, 1.31.6, and 1.30.10.

CWE-460

How to fix

Remediation Available

envoyNVD

Affected:>= 1.32.0, < 1.32.4Fixed in:1.32.4CVE-2025-30157derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

0.41%probability of exploitation in 30 days

32ndpercentile

Low risk: more likely to be exploited than 32% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-04-01.