- Description
- In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in mod_proxy_http2. Configurations affected are a reverse proxy is configured for an HTTP/2 backend, with ProxyPreserveHost set to "on".
- Source
- security@apache.org
- NVD status
- Modified
- Products
- http_server
CVSS 3.1
- Type
- Secondary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity
- HIGH
- security@apache.org
- CWE-617
- Hype score
- Not currently trending
[
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "3F70BAA1-0550-43B4-A6AD-139CF8F37AD9",
"versionEndExcluding": "2.4.64",
"versionStartIncluding": "2.4.26",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
]