Overview
- Description
- A missing cryptographic step in the implementation of the hash digest algorithm in FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7 may allow an unauthenticated attacker to tamper with signed URLs by appending further data which allows bypass of signature verification.
- Source
- psirt@fortinet.com
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 9.8
- Impact score
- 5.9
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- CRITICAL
CVSS 2.0
- Type
- Primary
- Base score
- 7.5
- Impact score
- 6.4
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
- nvd@nist.gov
- CWE-347
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "72F6AEF1-C5BF-4A9A-A843-A152AA168085",
"versionEndIncluding": "6.2.7",
"versionStartIncluding": "6.2.0"
},
{
"criteria": "cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5DAB4EFB-D73F-4FC5-8FE7-278BADB9F78E",
"versionEndExcluding": "6.4.5",
"versionStartIncluding": "6.4.0"
}
],
"operator": "OR"
}
]
}
]