Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-39275

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.

Published

2021-09-16T15:15:07.580

Last Modified

2025-05-01T15:39:40.260

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apache	http_server	< 2.4.49	Yes
Operating System	fedoraproject	fedora	34	Yes
Operating System	fedoraproject	fedora	35	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes
Operating System	debian	debian_linux	11.0	Yes
Application	netapp	cloud_backup	-	Yes
Application	netapp	clustered_data_ontap	-	Yes
Application	netapp	storagegrid	-	Yes
Application	oracle	http_server	12.2.1.3.0	Yes
Application	oracle	http_server	12.2.1.4.0	Yes
Application	oracle	instantis_enterprisetrack	17.1	Yes
Application	oracle	instantis_enterprisetrack	17.2	Yes
Application	oracle	instantis_enterprisetrack	17.3	Yes
Application	oracle	zfs_storage_appliance_kit	8.8	Yes
Application	siemens	sinec_nms	*	Yes
Application	siemens	sinema_server	14.0	Yes

References

https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf Third Party Advisory ([email protected])
https://httpd.apache.org/security/vulnerabilities_24.html Release Notes, Vendor Advisory ([email protected])
https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432%40%3Cusers.httpd.apache.org%3E Patch ([email protected])
https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c%40%3Cusers.httpd.apache.org%3E Patch ([email protected])
https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697%40%3Cusers.httpd.apache.org%3E Patch ([email protected])
https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029%40%3Cusers.httpd.apache.org%3E Patch ([email protected])
https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html Mailing List, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202208-20 Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20211008-0004/ Third Party Advisory ([email protected])
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ Third Party Advisory ([email protected])
https://www.debian.org/security/2021/dsa-4982 Third Party Advisory ([email protected])
https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory ([email protected])
https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory ([email protected])
https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://httpd.apache.org/security/vulnerabilities_24.html Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432%40%3Cusers.httpd.apache.org%3E Patch (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c%40%3Cusers.httpd.apache.org%3E Patch (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697%40%3Cusers.httpd.apache.org%3E Patch (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029%40%3Cusers.httpd.apache.org%3E Patch (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202208-20 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20211008-0004/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2021/dsa-4982 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)