CVE-2021-39275
Apache HTTP Server Buffer Overflow Vulnerability
Description
ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier.
INFO
Published Date :
Sept. 16, 2021, 3:15 p.m.
Last Modified :
Nov. 7, 2023, 3:37 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-39275 has a 9 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-39275
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.
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-2021-39275.
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).
This is a command line tool takes a CVE on the command line, uses some magic screen scraping to find a URL to Red Hat's rhel8 eratta posting about patching the CVE
Python
None
Imoro Umar Farouq's report on Internal Network Penetration Testing
Shell
None
Batchfile Python
find vulnerabilities in webserver
Shell
None
Prácticas Seguridad en Entornos Industriales
Python
Walkthrough and Writeups for the HackTheBox Penetration Lab Testing Environment
None
Python Batchfile
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-39275 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-39275 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]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Apache Software Foundation https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ [No types assigned] Added Reference Apache Software Foundation https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697%40%3Cusers.httpd.apache.org%3E [No types assigned] Added Reference Apache Software Foundation https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029%40%3Cusers.httpd.apache.org%3E [No types assigned] Added Reference Apache Software Foundation https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432%40%3Cusers.httpd.apache.org%3E [No types assigned] Added Reference Apache Software Foundation https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c%40%3Cusers.httpd.apache.org%3E [No types assigned] Added Reference Apache Software Foundation https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ [No types assigned] Removed Reference Apache Software Foundation https://lists.fedoraproject.org/archives/list/[email protected]/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029@%3Cusers.httpd.apache.org%3E Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697@%3Cusers.httpd.apache.org%3E Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432@%3Cusers.httpd.apache.org%3E Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c@%3Cusers.httpd.apache.org%3E Removed Reference Apache Software Foundation https://lists.fedoraproject.org/archives/list/[email protected]/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ -
Modified Analysis by [email protected]
Oct. 05, 2022
Action Type Old Value New Value Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/202208-20 No Types Assigned https://security.gentoo.org/glsa/202208-20 Third Party Advisory Changed Reference Type https://www.oracle.com/security-alerts/cpuapr2022.html No Types Assigned https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:* OR *cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:* *cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:siemens:sinec_nms:*:*:*:*:*:*:*:* *cpe:2.3:a:siemens:sinema_server:14.0:-:*:*:*:*:*:* -
CVE Modified by [email protected]
Aug. 15, 2022
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202208-20 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 14, 2022
Action Type Old Value New Value Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf [No Types Assigned] -
CVE Modified by [email protected]
Apr. 20, 2022
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpuapr2022.html [No Types Assigned] -
Modified Analysis by [email protected]
Mar. 25, 2022
Action Type Old Value New Value Changed Reference Type https://www.oracle.com/security-alerts/cpujan2022.html No Types Assigned https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:* OR *cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:* *cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:* *cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 07, 2022
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpujan2022.html [No Types Assigned] -
Modified Analysis by [email protected]
Nov. 29, 2021
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html Mailing List, Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20211008-0004/ No Types Assigned https://security.netapp.com/advisory/ntap-20211008-0004/ Third Party Advisory Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ Third Party Advisory Changed Reference Type https://www.debian.org/security/2021/dsa-4982 No Types Assigned https://www.debian.org/security/2021/dsa-4982 Third Party Advisory Removed CWE NIST CWE-120 Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 24, 2021
Action Type Old Value New Value Added Reference https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ [No Types Assigned] -
CVE Modified by [email protected]
Oct. 10, 2021
Action Type Old Value New Value Added Reference https://www.debian.org/security/2021/dsa-4982 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 08, 2021
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20211008-0004/ [No Types Assigned] -
CVE Modified by [email protected]
Oct. 02, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html [No Types Assigned] -
Initial Analysis by [email protected]
Sep. 30, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://httpd.apache.org/security/vulnerabilities_24.html No Types Assigned https://httpd.apache.org/security/vulnerabilities_24.html Release Notes, Vendor Advisory Changed Reference Type https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432@%3Cusers.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432@%3Cusers.httpd.apache.org%3E Mailing List, Vendor Advisory Changed Reference Type https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c@%3Cusers.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c@%3Cusers.httpd.apache.org%3E Mailing List, Vendor Advisory Changed Reference Type https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697@%3Cusers.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697@%3Cusers.httpd.apache.org%3E Mailing List, Vendor Advisory Changed Reference Type https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029@%3Cusers.httpd.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029@%3Cusers.httpd.apache.org%3E Mailing List, Vendor Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ Mailing List, Third Party Advisory Added CWE NIST CWE-120 Added CPE Configuration OR *cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* versions up to (including) 2.4.48 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 25, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ [No Types Assigned] -
CVE Modified by [email protected]
Sep. 23, 2021
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c@%3Cusers.httpd.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Sep. 23, 2021
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432@%3Cusers.httpd.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Sep. 23, 2021
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029@%3Cusers.httpd.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697@%3Cusers.httpd.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Sep. 20, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-39275 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-2021-39275
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.56 }} -0.09%
score
0.77896
percentile