VDB-262864 · CVE-2024-30251 · GHSA-5m98-qgg9-wh84

aio-libs aiohttp up to 3.9.3 POST Request infinite loop

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 classified as problematic was found in aio-libs aiohttp up to 3.9.3. This affects an unknown function of the component POST Request Handler. Executing a manipulation can lead to infinite loop. The identification of this vulnerability is CVE-2024-30251. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in aio-libs aiohttp up to 3.9.3. This vulnerability affects an unknown function of the component POST Request Handler. The manipulation with an unknown input leads to a infinite loop vulnerability. The CWE definition for the vulnerability is CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. As an impact it is known to affect availability. CVE summarizes:

aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. In affected versions an attacker can send a specially crafted POST (multipart/form-data) request. When the aiohttp server processes it, the server will enter an infinite loop and be unable to process any further requests. An attacker can stop the application from serving requests after sending a single request. This issue has been addressed in version 3.9.4. Users are advised to upgrade. Users unable to upgrade may manually apply a patch to their systems. Please see the linked GHSA for instructions.

The advisory is shared for download at github.com. This vulnerability was named CVE-2024-30251 since 03/26/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 212515 (Debian dsa-5828 : python-aiohttp-doc - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.9.4 eliminates this vulnerability. Applying the patch 7eecdff163ccf029fbb1ddc9de4169d4aaeb6597 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (212515). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

aio-libs

Name

aiohttp

Version

License

open-source

Website

Product: https://github.com/aio-libs/aiohttp/

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, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
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
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Nessus ID: 212515
Nessus Name: Debian dsa-5828 : python-aiohttp-doc - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: aiohttp 3.9.4
Patch: 7eecdff163ccf029fbb1ddc9de4169d4aaeb6597

Timelineinfo

03/26/2024 🔍
05/02/2024 +36 days 🔍
05/02/2024 +0 days 🔍
08/21/2025 +476 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-5m98-qgg9-wh84
Status: Confirmed

CVE: CVE-2024-30251 (🔍)
GCVE (CVE): GCVE-0-2024-30251
GCVE (VulDB): GCVE-100-262864

Entryinfo

Created: 05/02/2024 17:17
Updated: 08/21/2025 17:58
Changes: 05/02/2024 17:17 (67), 12/12/2024 22:57 (3), 08/21/2025 17:58 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.