HOME VULNERABILITIESCVE-2022-22720

CRITICAL

CVE-2022-22720

CWE-444Published: March 14, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the request body, exposing the server to HTTP Request Smuggling

Technical Analysis

CVE-2022-22720 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected Vendors & Products

Apache1 product(s)

http server

Apple2 product(s)

mac os xmacos

Debian1 product(s)

debian linux

Fedora1 product(s)

fedora

Oracle3 product(s)

enterprise manager ops centerhttp serverzfs storage appliance kit

Source: NVD CPE · 11 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

Security advisories & exploits

Official NIST entry

CVE Program entry

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://www.oracle.com/security-alerts/cpuapr2022.html

PATCHhttps://www.oracle.com/security-alerts/cpuapr2022.html

ADVISORYhttp://seclists.org/fulldisclosure/2022/May/33

ADVISORYhttp://seclists.org/fulldisclosure/2022/May/35

ADVISORYhttp://seclists.org/fulldisclosure/2022/May/38

ADVISORYhttp://www.openwall.com/lists/oss-security/2022/03/14/3

ADVISORYhttps://httpd.apache.org/security/vulnerabilities_24.html

ADVISORYhttps://lists.debian.org/debian-lts-announce/2022/03/msg00033.html

ADVISORYhttps://security.gentoo.org/glsa/202208-20

ADVISORYhttps://security.netapp.com/advisory/ntap-20220321-0001/

ADVISORYhttps://support.apple.com/kb/HT213255

ADVISORYhttps://support.apple.com/kb/HT213256

ADVISORYhttps://support.apple.com/kb/HT213257

ADVISORYhttps://www.oracle.com/security-alerts/cpujul2022.html

ADVISORYhttp://seclists.org/fulldisclosure/2022/May/33

ADVISORYhttp://seclists.org/fulldisclosure/2022/May/35

ADVISORYhttp://seclists.org/fulldisclosure/2022/May/38

ADVISORYhttp://www.openwall.com/lists/oss-security/2022/03/14/3

ADVISORYhttps://httpd.apache.org/security/vulnerabilities_24.html

ADVISORYhttps://lists.debian.org/debian-lts-announce/2022/03/msg00033.html

ADVISORYhttps://security.gentoo.org/glsa/202208-20

ADVISORYhttps://security.netapp.com/advisory/ntap-20220321-0001/

ADVISORYhttps://support.apple.com/kb/HT213255

ADVISORYhttps://support.apple.com/kb/HT213256

ADVISORYhttps://support.apple.com/kb/HT213257

ADVISORYhttps://www.oracle.com/security-alerts/cpujul2022.html

All References (32)

→

http://seclists.org/fulldisclosure/2022/May/33Mailing List · Third Party Advisory

→

http://seclists.org/fulldisclosure/2022/May/35Mailing List · Third Party Advisory

→

http://seclists.org/fulldisclosure/2022/May/38Mailing List · Third Party Advisory

→

http://www.openwall.com/lists/oss-security/2022/03/14/3Mailing List · Third Party Advisory

→

https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory

→

https://lists.debian.org/debian-lts-announce/2022/03/msg00033.htmlMailing List · Third Party Advisory

→

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RGWILBORT67SHMSLYSQZG2NMXGCMPUZO/

→

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X73C35MMMZGBVPQQCH7LQZUMYZNQA5FO/

→

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7H26WJ6TPKNWV3QKY4BHKUKQVUTZJTD/

→

https://security.gentoo.org/glsa/202208-20Third Party Advisory

→

https://security.netapp.com/advisory/ntap-20220321-0001/Third Party Advisory

→

https://support.apple.com/kb/HT213255Third Party Advisory

→

https://support.apple.com/kb/HT213256Third Party Advisory

→

https://support.apple.com/kb/HT213257Third Party Advisory

→

https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch · Third Party Advisory

Quick Facts

CVE IDCVE-2022-22720

CVSS Score9.8 / 10

SeverityCRITICAL

WeaknessCWE-444

CISA KEVNo

Affected5 vendor(s)

PublishedMar 14, 2022

Related CVEs (CWE-444)

Recommended Actions

→Apply vendor patches immediately
→Monitor CVE-2022-22720 in threat intel feeds
→Review IDS/IPS signatures for exploitation attempts

Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.

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