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7.5
HIGH CVSS 3.1
CVE-2024-27316
Apache HTTP/2 Denial of Service vulnertainty
Description

HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.

INFO

Published Date :

April 4, 2024, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 9:04 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2024-27316 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 Fedoraproject fedora
1 Apache http_server
1 Netapp ontap
: Total Affected Vendor : 3 | Products : 3
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
This addresses a denial-of-service vulnerability in Apache HTTP/2 by updating packages.
  • Update affected packages to address the vulnerability.
  • Upgrade to Apache HTTP Server 2.4.59 or later.
Public PoC/Exploit Available at Github

CVE-2024-27316 has a 11 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2024-27316.

URL Resource
http://seclists.org/fulldisclosure/2024/Jul/18
http://www.openwall.com/lists/oss-security/2024/04/04/4 Mailing List
https://httpd.apache.org/security/vulnerabilities_24.html Product Release Notes
https://support.apple.com/kb/HT214119
https://www.openwall.com/lists/oss-security/2024/04/03/16
http://seclists.org/fulldisclosure/2024/Jul/18
http://www.openwall.com/lists/oss-security/2024/04/04/4 Mailing List
https://httpd.apache.org/security/vulnerabilities_24.html Product Release Notes
https://support.apple.com/kb/HT214119
https://www.openwall.com/lists/oss-security/2024/04/03/16
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-27316 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-2024-27316 weaknesses.

CAPEC-125: Flooding Flooding CAPEC-130: Excessive Allocation Excessive Allocation CAPEC-147: XML Ping of the Death XML Ping of the Death CAPEC-197: Exponential Data Expansion Exponential Data Expansion CAPEC-229: Serialized Data Parameter Blowup Serialized Data Parameter Blowup CAPEC-230: Serialized Data with Nested Payloads Serialized Data with Nested Payloads CAPEC-231: Oversized Serialized Data Payloads Oversized Serialized Data Payloads CAPEC-469: HTTP DoS HTTP DoS CAPEC-482: TCP Flood TCP Flood CAPEC-486: UDP Flood UDP Flood CAPEC-487: ICMP Flood ICMP Flood CAPEC-488: HTTP Flood HTTP Flood CAPEC-489: SSL Flood SSL Flood CAPEC-490: Amplification Amplification CAPEC-491: Quadratic Data Expansion Quadratic Data Expansion CAPEC-493: SOAP Array Blowup SOAP Array Blowup CAPEC-494: TCP Fragmentation TCP Fragmentation CAPEC-495: UDP Fragmentation UDP Fragmentation CAPEC-496: ICMP Fragmentation ICMP Fragmentation CAPEC-528: XML Flood XML Flood

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).

Profile Photo
dusbot/cpe2cve

A tool written in Go that queries CVE information using CPE (Common Platform Enumeration) as input, with support for library integration（使用go实现的一个根据cpe查询cve信息的工具，支持库调用）

Go

Updated: 2 days, 15 hours ago
4 stars 1 fork 1 watcher
Born at : June 25, 2025, 2:52 a.m. This repo has been linked 70 different CVEs too.
Profile Photo
M0rPH3U53/Massap

Accélération de la vitesse de scan de ports en combinant Nmap & Masscan

Shell

Updated: 6 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Feb. 3, 2025, 9:11 p.m. This repo has been linked 67 different CVEs too.
Profile Photo
NeoOniX/5ATTACK

None

Updated: 6 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Jan. 30, 2025, 9:01 a.m. This repo has been linked 173 different CVEs too.
Profile Photo
krlabs/apache-vulnerabilities

Apache Web Server Vulnerabilities list

apache cve vulnerabilities

Updated: 7 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Nov. 30, 2024, 7:36 p.m. This repo has been linked 47 different CVEs too.
Profile Photo
EzeTauil/Maquina-Upload

Resolución de la Maquina Upload de Dockerlabs.es "El pinguino de Mario"

Updated: 11 months, 3 weeks ago
1 stars 1 fork 1 watcher
Born at : June 20, 2024, 4:04 p.m. This repo has been linked 19 different CVEs too.
Profile Photo
aeyesec/CVE-2024-27316_poc

None

Dockerfile JavaScript

Updated: 1 year, 1 month ago
2 stars 0 fork 0 watcher
Born at : April 17, 2024, 8:08 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
lockness-Ko/CVE-2024-27316

Proof of concept (PoC) for CVE-2024-27316 (tested), CVE-2024-30255 (untested), CVE-2024-31309 (untested), CVE-2024-28182 (untested), CVE-2024-2653 (untested) and CVE-2024-27919 (untested)

cve-2024-2653 cve-2024-27316 cve-2024-27919 cve-2024-28182 cve-2024-30255 cve-2024-31309

Go

Updated: 8 months, 1 week ago
14 stars 2 fork 2 watcher
Born at : April 9, 2024, 8:08 a.m. This repo has been linked 6 different CVEs too.
Profile Photo
lockness-Ko/CVE-2024-27316

A proof of concept for CVE-2024-27316 (tested), CVE-2024-31309 (untested), CVE-2024-30255 (untested), CVE-2024-28182 (untested), CVE-2024-2653 (untested) and CVE-2024-27919 (untested)

Updated: 1 year, 4 months ago
0 stars 0 fork 0 watcher
Born at : April 9, 2024, 7:56 a.m. This repo has been linked 5 different CVEs too.
Profile Photo
Vos68/HTTP2-Continuation-Flood-PoC

PoC HTTP/2 Continuation Flood DOS Attack

Python

Updated: 1 year, 3 months ago
2 stars 0 fork 0 watcher
Born at : April 7, 2024, 2:31 p.m. This repo has been linked 9 different CVEs too.
Profile Photo
Ampferl/poc_http2-continuation-flood

Proof of Concept: HTTP/2 CONTINUATION Flood

http2 poc proof-of-concept vulnerability http2-continuation-flood

Python Dockerfile Go

Updated: 6 months, 1 week ago
9 stars 2 fork 2 watcher
Born at : April 6, 2024, 3:34 p.m. This repo has been linked 9 different CVEs too.
Profile Photo
DrewskyDev/H2Flood

This repo showcases a proof of concept for HTTP/2 CONTINUATION Flood vulnerabilities, allowing testing and understanding of potential DoS attacks on servers due to protocol implementation flaws. Includes code, documentation, and CVE mapping.

Python

Updated: 1 year, 4 months ago
4 stars 0 fork 0 watcher
Born at : April 5, 2024, 10:09 p.m. This repo has been linked 9 different CVEs too.

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

The following list is the news that have been mention CVE-2024-27316 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2024-27316 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2024/Jul/18
    Added Reference http://www.openwall.com/lists/oss-security/2024/04/04/4
    Added Reference https://httpd.apache.org/security/vulnerabilities_24.html
    Added Reference https://support.apple.com/kb/HT214119
    Added Reference https://www.openwall.com/lists/oss-security/2024/04/03/16
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 01, 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 Modified by [email protected]

    Jul. 30, 2024

    Action Type Old Value New Value
    Added Reference Apache Software Foundation http://seclists.org/fulldisclosure/2024/Jul/18 [No types assigned]
  • CVE Modified by [email protected]

    Jul. 29, 2024

    Action Type Old Value New Value
    Added Reference Apache Software Foundation https://support.apple.com/kb/HT214119 [No types assigned]
  • CVE Modified by [email protected]

    Jul. 22, 2024

    Action Type Old Value New Value
    Added Reference Apache Software Foundation https://www.openwall.com/lists/oss-security/2024/04/03/16 [No types assigned]
    Removed Reference Apache Software Foundation https://security.netapp.com/advisory/ntap-20240415-0013/
    Removed Reference Apache Software Foundation https://lists.fedoraproject.org/archives/list/[email protected]/message/QKKDVFWBKIHCC3WXNH3W75WWY4NW42OB/
    Removed Reference Apache Software Foundation https://lists.fedoraproject.org/archives/list/[email protected]/message/MIUBKSCJGPJ6M2U63V6BKFDF725ODLG7/
    Removed Reference Apache Software Foundation https://lists.fedoraproject.org/archives/list/[email protected]/message/FO73U3SLBYFGIW2YKXOK7RI4D6DJSZ2B/
    Removed Reference Apache Software Foundation http://www.openwall.com/lists/oss-security/2024/04/03/16
    Removed Reference Apache Software Foundation https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html
    Added CWE Apache Software Foundation CWE-770
    Removed CWE Apache Software Foundation CWE-400
  • CVE Modified by [email protected]

    Jun. 10, 2024

    Action Type Old Value New Value
    Added Reference Apache Software Foundation https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html [No types assigned]
  • Initial Analysis by [email protected]

    Jun. 06, 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://www.openwall.com/lists/oss-security/2024/04/03/16 No Types Assigned http://www.openwall.com/lists/oss-security/2024/04/03/16 Mailing List
    Changed Reference Type http://www.openwall.com/lists/oss-security/2024/04/04/4 No Types Assigned http://www.openwall.com/lists/oss-security/2024/04/04/4 Mailing List
    Changed Reference Type https://httpd.apache.org/security/vulnerabilities_24.html No Types Assigned https://httpd.apache.org/security/vulnerabilities_24.html Product, Release Notes
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/FO73U3SLBYFGIW2YKXOK7RI4D6DJSZ2B/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/FO73U3SLBYFGIW2YKXOK7RI4D6DJSZ2B/ Release Notes
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/MIUBKSCJGPJ6M2U63V6BKFDF725ODLG7/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/MIUBKSCJGPJ6M2U63V6BKFDF725ODLG7/ Release Notes
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/QKKDVFWBKIHCC3WXNH3W75WWY4NW42OB/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/QKKDVFWBKIHCC3WXNH3W75WWY4NW42OB/ Release Notes
    Changed Reference Type https://security.netapp.com/advisory/ntap-20240415-0013/ No Types Assigned https://security.netapp.com/advisory/ntap-20240415-0013/ Third Party Advisory
    Added CWE NIST CWE-770
    Added CPE Configuration OR *cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* versions from (including) 2.4.17 up to (excluding) 2.4.59
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:netapp:ontap:9:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    May. 01, 2024

    Action Type Old Value New Value
    Added Reference Apache Software Foundation http://www.openwall.com/lists/oss-security/2024/04/03/16 [No types assigned]
  • CVE Modified by [email protected]

    May. 01, 2024

    Action Type Old Value New Value
    Added Reference Apache Software Foundation http://www.openwall.com/lists/oss-security/2024/04/04/4 [No types assigned]
  • CVE Modified by [email protected]

    Apr. 21, 2024

    Action Type Old Value New Value
    Added Reference Apache Software Foundation https://lists.fedoraproject.org/archives/list/[email protected]/message/FO73U3SLBYFGIW2YKXOK7RI4D6DJSZ2B/ [No types assigned]
  • CVE Modified by [email protected]

    Apr. 21, 2024

    Action Type Old Value New Value
    Added Reference Apache Software Foundation https://security.netapp.com/advisory/ntap-20240415-0013/ [No types assigned]
    Added Reference Apache Software Foundation https://lists.fedoraproject.org/archives/list/[email protected]/message/QKKDVFWBKIHCC3WXNH3W75WWY4NW42OB/ [No types assigned]
    Added Reference Apache Software Foundation https://lists.fedoraproject.org/archives/list/[email protected]/message/MIUBKSCJGPJ6M2U63V6BKFDF725ODLG7/ [No types assigned]
  • CVE Received by [email protected]

    Apr. 04, 2024

    Action Type Old Value New Value
    Added Description HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.
    Added Reference Apache Software Foundation https://httpd.apache.org/security/vulnerabilities_24.html [No types assigned]
    Added CWE Apache Software Foundation CWE-400
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.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact