VDB-278195 · CVE-2024-45807 · GHSA-qc52-r4x5-9w37

Envoy 1.31.0/1.31.1 control flow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Envoy 1.31.0/1.31.1. Impacted is an unknown function. The manipulation leads to control flow. This vulnerability is referenced as CVE-2024-45807. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Envoy 1.31.0/1.31.1 and classified as critical. This issue affects an unknown functionality. The manipulation with an unknown input leads to a control flow vulnerability. Using CWE to declare the problem leads to CWE-670. The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated. Impacted is availability. The summary by CVE is:

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.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2024-45807 since 09/09/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 313613 (Amazon Linux 2 : ecs-service-connect-agent, --advisory ALAS2ECS-2026-114 (ALASECS-2026-114)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.31.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (313613). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Envoy

Version

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub_M): 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Control flow
CWE: CWE-670
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 313613
Nessus Name: Amazon Linux 2 : ecs-service-connect-agent, --advisory ALAS2ECS-2026-114 (ALASECS-2026-114)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Envoy 1.31.2

Timelineinfo

09/09/2024 🔍
09/20/2024 +11 days 🔍
09/20/2024 +0 days 🔍
05/10/2026 +596 days 🔍

Sourcesinfo

Advisory: GHSA-qc52-r4x5-9w37
Status: Confirmed

CVE: CVE-2024-45807 (🔍)
GCVE (CVE): GCVE-0-2024-45807
GCVE (VulDB): GCVE-100-278195

Entryinfo

Created: 09/20/2024 07:39
Updated: 05/10/2026 00:51
Changes: 09/20/2024 07:39 (62), 09/20/2024 13:02 (1), 05/10/2026 00:51 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.