CVE-2021-42756
Scores
EPSS
Percentile: 64.2%
CVSS
CVSS Score: 9.8/10
All CVSS Scores
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vector Breakdown
CVSS (Common Vulnerability Scoring System) vector provides detailed metrics about vulnerability characteristics
CVSS
Attack Vector
Network (N)
Describes how the vulnerability is exploited
Attack Complexity
Low (L)
Describes the conditions beyond the attacker's control
Privileges Required
None (N)
Describes the level of privileges an attacker must possess
User Interaction
None (N)
Captures the requirement for a human user participation
Scope
Unchanged (U)
Determines if a successful attack impacts components beyond the vulnerable component
Confidentiality Impact
High (H)
Measures the impact to the confidentiality of information
Integrity Impact
High (H)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
High (H)
Measures the impact to the availability of the impacted component
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.
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Sources
CWEs
Related Vulnerabilities
Exploits
Vulnerable Software (1)
Type: Configuration
Vendor: *
Product: fortiweb
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.0.8", "versionStartIncluding": "5.6.0", "vulnerable": true },...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.0.8", "versionStartIncluding": "5.6.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.1.3", "versionStartIncluding": "6.1.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.2.7", "versionStartIncluding": "6.2.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.3.17", "versionStartIncluding": "6.3.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*", "versionEndIncluding": "6.4.2", "versionStartIncluding": "6.4.0", "vulnerable": true } ], "operator": "OR"}
Source: nvd