CVE-2016-4979
Published Jul 6, 2016
Last updated a year ago
Overview
- Description
- 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.
- Source
- secalert@redhat.com
- NVD status
- Modified
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 5
- Impact score
- 2.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:N/I:P/A:N
Weaknesses
- nvd@nist.gov
- CWE-284
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F2FB2B98-DFD2-420A-8A7F-9B288651242F"
},
{
"criteria": "cpe:2.3:a:apache:http_server:2.4.19:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2AE538EE-7152-4DB5-AE45-614494CB7B95"
},
{
"criteria": "cpe:2.3:a:apache:http_server:2.4.20:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B803D25B-0A19-4569-BA05-09D58F33917C"
}
],
"operator": "OR"
}
]
}
]