Overview
- Description
- H2O versions 2.0.3 and earlier and 2.1.0-beta2 and earlier allows remote attackers to cause a denial-of-service (DoS) via format string specifiers in a template file via fastcgi, mruby, proxy, redirect or reproxy.
- Source
- vultures@jpcert.or.jp
- NVD status
- Analyzed
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:N/A:H
- 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:N/A:P
Weaknesses
- nvd@nist.gov
- CWE-134
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:dena:h2o:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9DA5398C-CA21-49CE-937F-8433D8F50C5F",
"versionEndIncluding": "2.0.3",
"versionStartIncluding": "2.0.0"
},
{
"criteria": "cpe:2.3:a:dena:h2o:2.1.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E2F367EE-6A00-4040-8678-ECA84E6A7FF8"
},
{
"criteria": "cpe:2.3:a:dena:h2o:2.1.0:beta1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "339AA268-9EFD-4507-88E2-278EDA75C926"
}
],
"operator": "OR"
}
]
}
]