7.5
HIGH
CVE-2024-45506
HAProxy Remote Denial of Service
Description

HAProxy 2.9.x before 2.9.10, 3.0.x before 3.0.4, and 3.1.x through 3.1-dev6 allows a remote denial of service for HTTP/2 zero-copy forwarding (h2_send loop) under a certain set of conditions, as exploited in the wild in 2024.

INFO

Published Date :

Sept. 4, 2024, 3:15 p.m.

Last Modified :

Oct. 14, 2024, 3:15 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2024-45506 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Haproxy haproxy
References to Advisories, Solutions, and Tools

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-45506 vulnerability anywhere in the article.

  • Cybersecurity News
MediaTek Patches Critical Vulnerabilities in Smartphone, Tablet, and IoT Chipsets

MediaTek, a leading semiconductor company, has issued an October 2024 Product Security Bulletin addressing critical vulnerabilities affecting a wide range of its chipsets, including those used in smar ... Read more

Published Date: Oct 07, 2024 (1 month, 4 weeks ago)
  • Cybersecurity News
Security Vulnerabilities Uncovered in Jenkins: Immediate Updates Recommended

The Jenkins project has issued a security advisory, urging users to update their installations immediately due to the discovery of multiple vulnerabilities. These flaws could allow attackers to steal ... Read more

Published Date: Oct 03, 2024 (2 months ago)
  • Cybersecurity News
CVE-2024-22170 (CVSS 9.2): Western Digital Addresses Critical Flaw in My Cloud Devices

Western Digital has released a security advisory addressing a high-severity vulnerability (CVE-2024-22170) impacting a range of My Cloud devices. The vulnerability, which carries a CVSS score of 9.2, ... Read more

Published Date: Oct 01, 2024 (2 months ago)
  • Cybersecurity News
Siemens Issues Critical Security Advisory for User Management Component (UMC) – CVE-2024-33698

Siemens, a global industrial automation giant, has disclosed a critical heap-based buffer overflow vulnerability in its User Management Component (UMC). The vulnerability, identified as CVE-2024-33698 ... Read more

Published Date: Sep 10, 2024 (2 months, 3 weeks ago)
  • Cybersecurity News
HAProxy Vulnerability CVE-2024-45506 Under Active Exploit: Urgent Patching Required

In the latest security advisory, HAProxy revealed that CVE-2024-45506, a vulnerability in its popular load balancing and proxy software, is now actively exploited. The vulnerability, which has a CVSS ... Read more

Published Date: Sep 09, 2024 (2 months, 3 weeks ago)

The following table lists the changes that have been made to the CVE-2024-45506 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Oct. 14, 2024

    Action Type Old Value New Value
    Changed Description HAProxy 2.9.x before 2.9.10, 3.0.x before 3.0.4, and 3.1.x through 3.1-dev6 allows a remote denial of service. HAProxy 2.9.x before 2.9.10, 3.0.x before 3.0.4, and 3.1.x through 3.1-dev6 allows a remote denial of service for HTTP/2 zero-copy forwarding (h2_send loop) under a certain set of conditions, as exploited in the wild in 2024.
  • Initial Analysis by [email protected]

    Sep. 05, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=c725db17e8416ffb3c1537aea756356228ce5e3c No Types Assigned http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=c725db17e8416ffb3c1537aea756356228ce5e3c Broken Link
    Changed Reference Type http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=d636e515453320c6e122c313c661a8ac7d387c7f No Types Assigned http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=d636e515453320c6e122c313c661a8ac7d387c7f Broken Link
    Changed Reference Type https://www.haproxy.org/ No Types Assigned https://www.haproxy.org/ Product
    Changed Reference Type https://www.haproxy.org/download/3.1/src/CHANGELOG No Types Assigned https://www.haproxy.org/download/3.1/src/CHANGELOG Release Notes
    Changed Reference Type https://www.mail-archive.com/haproxy%40formilux.org/msg45280.html No Types Assigned https://www.mail-archive.com/haproxy%40formilux.org/msg45280.html Release Notes
    Changed Reference Type https://www.mail-archive.com/haproxy%40formilux.org/msg45281.html No Types Assigned https://www.mail-archive.com/haproxy%40formilux.org/msg45281.html Release Notes
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* versions from (including) 2.9.0 up to (excluding) 2.9.10 *cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* versions from (including) 3.0.0 up to (excluding) 3.0.4 *cpe:2.3:a:haproxy:haproxy:3.1:dev0:*:*:*:*:*:* *cpe:2.3:a:haproxy:haproxy:3.1:dev1:*:*:*:*:*:* *cpe:2.3:a:haproxy:haproxy:3.1:dev2:*:*:*:*:*:* *cpe:2.3:a:haproxy:haproxy:3.1:dev3:*:*:*:*:*:* *cpe:2.3:a:haproxy:haproxy:3.1:dev4:*:*:*:*:*:* *cpe:2.3:a:haproxy:haproxy:3.1:dev5:*:*:*:*:*:*
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 04, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE Received by [email protected]

    Sep. 04, 2024

    Action Type Old Value New Value
    Added Description HAProxy 2.9.x before 2.9.10, 3.0.x before 3.0.4, and 3.1.x through 3.1-dev6 allows a remote denial of service.
    Added Reference MITRE https://www.haproxy.org/ [No types assigned]
    Added Reference MITRE https://www.haproxy.org/download/3.1/src/CHANGELOG [No types assigned]
    Added Reference MITRE https://www.mail-archive.com/haproxy%40formilux.org/msg45281.html [No types assigned]
    Added Reference MITRE https://www.mail-archive.com/haproxy%40formilux.org/msg45280.html [No types assigned]
    Added Reference MITRE http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=c725db17e8416ffb3c1537aea756356228ce5e3c [No types assigned]
    Added Reference MITRE http://git.haproxy.org/?p=haproxy-3.0.git%3Ba=commitdiff%3Bh=d636e515453320c6e122c313c661a8ac7d387c7f [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-45506 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-45506 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability