description: Multiple stack-based buffer overflow vulnerabilities [CWE-121] in the proxy daemon of FortiWeb 5.x all versions, 6.0.7 and below, 6.1.2 and below, 6.2.6 and below, 6.3.16 and below, 6.4 all versions may allow an unauthenticated remote attacker to achieve arbitrary code execution via specifically crafted HTTP requests.
problem types: Execute unauthorized code or commands
affected:
{
vendor: Fortinet
product: FortiWeb
defaultStatus: unaffected
versions:
versionType: semver, version: 6.4.0, lessThanOrEqual: 6.4.1, status: affected
versionType: semver, version: 6.3.0, lessThanOrEqual: 6.3.16, status: affected
versionType: semver, version: 6.2.0, lessThanOrEqual: 6.2.6, status: affected
versionType: semver, version: 6.1.0, lessThanOrEqual: 6.1.2, status: affected
versionType: semver, version: 6.0.0, lessThanOrEqual: 6.0.7, status: affected
versionType: semver, version: 5.9.0, lessThanOrEqual: 5.9.1, status: affected
versionType: semver, version: 5.8.5, lessThanOrEqual: 5.8.7, status: affected
versionType: semver, version: 5.8.0, lessThanOrEqual: 5.8.3, status: affected
versionType: semver, version: 5.7.0, lessThanOrEqual: 5.7.3, status: affected
versionType: semver, version: 5.6.0, lessThanOrEqual: 5.6.2, status: affected
versionType: semver, version: 5.8.0, lessThan: 5.8.*, status: affected
versionType: semver, version: 5.7.0, lessThan: 5.7.*, status: affected
versionType: semver, version: 5.6.0, lessThan: 5.6.*, status: affected
}
metrics:
format: CVSS
cvssV3_1: [
version: 3.1
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 9.3
baseSeverity: CRITICAL
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C
]
solutions: Upgrade to FortiWeb 7.0.0 or above,
Upgrade to FortiWeb 6.3.17 or above,
Upgrade to FortiWeb 6.2.7 or above.
Upgrade to FortiWeb 6.1.3 or above.
Upgrade to FortiWeb 6.0.8 or above.