CVE-2022-22721

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

41.86% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.6% of scored records. A rank, not a probability.

NVD base score

9.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-03-14 10:15Z4 YR AGO

Last updated

2024-08-03 03:21Z2 YR AGO

Reserved

2022-01-06

Assigning CNA

apache

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-190Integer Overflow or WraparoundBase
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

eea7bce9b840828f8795070797ada8ebcf9af50419c54cb7bedc09bde568d5e7

• httpd.apache.orghttps://httpd.apache.org/security/vulnerabilities_24.htmlx_refsource_MISC
• www.openwall.com[oss-security] 20220314 CVE-2022-22721: Apache HTTP Server: core: Possible buffer overflow with very large or unlimited LimitXMLRequestBodyhttp://www.openwall.com/lists/oss-security/2022/03/14/2mailing-listx_refsource_MLIST
• lists.fedoraproject.orgFEDORA-2022-b4103753e9https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/vendor-advisoryx_refsource_FEDORA
• lists.debian.org[debian-lts-announce] 20220322 [SECURITY] [DLA 2960-1] apache2 security updatehttps://lists.debian.org/debian-lts-announce/2022/03/msg00033.htmlmailing-listx_refsource_MLIST
• lists.fedoraproject.orgFEDORA-2022-21264ec6dbhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2022-78e3211c55https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/vendor-advisoryx_refsource_FEDORA
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2022.htmlx_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20220321-0001/x_refsource_CONFIRM
• seclists.org20220516 APPLE-SA-2022-05-16-4 Security Update 2022-004 Catalinahttp://seclists.org/fulldisclosure/2022/May/33mailing-listx_refsource_FULLDISC
• seclists.org20220516 APPLE-SA-2022-05-16-3 macOS Big Sur 11.6.6http://seclists.org/fulldisclosure/2022/May/35mailing-listx_refsource_FULLDISC
• seclists.org20220516 APPLE-SA-2022-05-16-2 macOS Monterey 12.4http://seclists.org/fulldisclosure/2022/May/38mailing-listx_refsource_FULLDISC
• www.oracle.comhttps://www.oracle.com/security-alerts/cpujul2022.htmlx_refsource_MISC
• support.apple.comhttps://support.apple.com/kb/HT213257x_refsource_CONFIRM
• support.apple.comhttps://support.apple.com/kb/HT213256x_refsource_CONFIRM
• support.apple.comhttps://support.apple.com/kb/HT213255x_refsource_CONFIRM
• security.gentoo.orgGLSA-202208-20https://security.gentoo.org/glsa/202208-20vendor-advisoryx_refsource_GENTOO