Critical severity · published Jun 20, 2017
CVE-2017-3169
In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, mod_ssl may dereference a NULL pointer when third-party modules call ap_hook_process_connection() during an HTTP…
9.8
CVSS
20%
EPSS
No
On KEV
Description
In Apache httpd 2.2.x before 2.2.33 and 2.4.x before 2.4.26, mod_ssl may dereference a NULL pointer when third-party modules call ap_hook_process_connection() during an HTTP request to an HTTPS port.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)20.0% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HS
HTTP Server · Apache
2.2.0; 2.2.2; 2.2.3; 2.2.11; 2.2.12; 2.2.13; +28 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-3169
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-3169
www.debian.org
http://www.debian.org/security/2017/dsa-3896
www.oracle.com
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Third Party Advisory
http://www.securityfocus.com/bid/99134
Third Party Advisory
http://www.securitytracker.com/id/1038711
access.redhat.com
https://access.redhat.com/errata/RHSA-2017:2478
access.redhat.com
https://access.redhat.com/errata/RHSA-2017:2479
More from HTTP Server
9.8
CVE-2021-42013
Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773)
9.8
CVE-2021-41773
Path traversal and file disclosure vulnerability in Apache HTTP Server 2.4.49
9.1
CVE-2024-38475
Apache HTTP Server weakness in mod_rewrite when first segment of substitution matches filesystem path.
9.0
CVE-2021-40438
mod_proxy SSRF
7.8
CVE-2019-0211
Apache HTTP Server Privilege Escalation Vulnerability