Vulnerability Details : CVE-2022-26377

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards requests to. This issue affects Apache HTTP Server Apache HTTP Server 2.4 version 2.4.53 and prior versions.

Published 2022-06-09 17:15:09

Updated 2022-08-24 18:25:21

Source Apache Software Foundation

View at NVD, CVE.org

Threat overview for CVE-2022-26377

Top countries where our scanners detected CVE-2022-26377

Top open port discovered on systems with this issue 80

IPs affected by CVE-2022-26377 7,712,984

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2022-26377!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2022-26377

Probability of exploitation activity in the next 30 days: 1.03%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 82 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2022-26377

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:P/A:N	10.0	2.9	nvd@nist.gov
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N	3.9	3.6	nvd@nist.gov
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: None

CWE ids for CVE-2022-26377

CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.
Assigned by:
- nvd@nist.gov (Primary)
- security@apache.org (Secondary)

References for CVE-2022-26377

http://www.openwall.com/lists/oss-security/2022/06/08/2

oss-security - CVE-2022-26377: Apache HTTP Server: mod_proxy_ajp: Possible request smuggling
Mailing List;Third Party Advisory
https://httpd.apache.org/security/vulnerabilities_24.html

httpd 2.4 vulnerabilities - The Apache HTTP Server Project
Vendor Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YPY2BLEVJWFH34AX77ZJPLD2OOBYR6ND/

[SECURITY] Fedora 36 Update: httpd-2.4.54-3.fc36 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

CVEs referencing this url
https://security.gentoo.org/glsa/202208-20

Apache HTTPD: Multiple Vulnerabilities (GLSA 202208-20) — Gentoo security
Third Party Advisory

CVEs referencing this url
https://security.netapp.com/advisory/ntap-20220624-0005/

June 2022 Apache HTTP Server Vulnerabilities in NetApp Products | NetApp Product Security
Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7QUGG2QZWHTITMABFLVXA4DNYUOTPWYQ/

[SECURITY] Fedora 35 Update: httpd-2.4.54-1.fc35 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory

CVEs referencing this url

Products affected by CVE-2022-26377

Apache » Http Server
Versions from including (>=) 2.4.0 and up to, including, (<=) 2.4.53
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 35
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 36
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
Matching versions
Netapp » Clustered Data Ontap » Version: N/A
cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
Matching versions