CVE-2016-4979
Published on: 07/06/2016 12:00:00 AM UTC
Last Modified on: 03/30/2021 01:12:59 PM UTC
Certain versions of Http Server from Apache contain the following vulnerability:
The Apache HTTP Server 2.4.18 through 2.4.20, when mod_http2 and mod_ssl are enabled, does not properly recognize the "SSLVerifyClient require" directive for HTTP/2 request authorization, which allows remote attackers to bypass intended access restrictions by leveraging the ability to send multiple requests over a single connection and aborting a renegotiation.
- CVE-2016-4979 has been assigned by
[email protected] to track the vulnerability - currently rated as HIGH severity.
CVSS3 Score: 7.5 - HIGH
Attack Vector ⓘ |
Attack Complexity |
Privileges Required |
User Interaction |
|
---|---|---|---|---|
NETWORK | LOW | NONE | NONE | |
Scope | Confidentiality Impact |
Integrity Impact |
Availability Impact |
|
UNCHANGED | NONE | HIGH | NONE |
CVSS2 Score: 5 - MEDIUM
Access Vector ⓘ |
Access Complexity |
Authentication |
---|---|---|
NETWORK | LOW | NONE |
Confidentiality Impact |
Integrity Impact |
Availability Impact |
NONE | PARTIAL | NONE |
CVE References
There are currently no QIDs associated with this CVE
Known Affected Configurations (CPE V2.3)
Type | Vendor | Product | Version | Update | Edition | Language |
---|---|---|---|---|---|---|
Application | Apache | Http Server | 2.4.18 | All | All | All |
Application | Apache | Http Server | 2.4.19 | All | All | All |
Application | Apache | Http Server | 2.4.20 | All | All | All |
Application | Apache | Http Server | 2.4.18 | All | All | All |
Application | Apache | Http Server | 2.4.19 | All | All | All |
Application | Apache | Http Server | 2.4.20 | All | All | All |
- cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*:
- cpe:2.3:a:apache:http_server:2.4.19:*:*:*:*:*:*:*:
- cpe:2.3:a:apache:http_server:2.4.20:*:*:*:*:*:*:*:
- cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*:
- cpe:2.3:a:apache:http_server:2.4.19:*:*:*:*:*:*:*:
- cpe:2.3:a:apache:http_server:2.4.20:*:*:*:*:*:*:*:
No vendor comments have been submitted for this CVE