What is the CVSS score of CVE-2024-45807?

CVE-2024-45807 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.5%.

Envoy CVE-2024-45807

HIGH

Always-Incorrect Control Flow Implementation (CWE-670)

2024-09-20 security-advisories@github.com

Denial Of Service Envoy

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Sep 20, 2024 - 00:15 nvd

HIGH 7.5

DescriptionNVD

Envoy is a cloud-native high-performance edge/middle/service proxy. Envoy's 1.31 is using oghttp as the default HTTP/2 codec, and there are potential bugs around stream management in the codec. To resolve this Envoy will switch off the oghttp2 by default. The impact of this issue is that envoy will crash. This issue has been addressed in release version 1.31.2. All users are advised to upgrade. There are no known workarounds for this issue.

AnalysisAI

Envoy is a cloud-native high-performance edge/middle/service proxy. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-670. Envoy is a cloud-native high-performance edge/middle/service proxy. Envoy's 1.31 is using oghttp as the default HTTP/2 codec, and there are potential bugs around stream management in the codec. To resolve this Envoy will switch off the oghttp2 by default. The impact of this issue is that envoy will crash. This issue has been addressed in release version 1.31.2. All users are advised to upgrade. There are no known workarounds for this issue. Affected products include: Envoyproxy Envoy. Version information: version 1.31.2..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.