CVE-2021-42697
Scores
EPSS
Percentile: 75.5%
CVSS
CVSS Score: 7.5/10
All CVSS Scores
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
None (N)
Measures the impact to the confidentiality of information
Integrity Impact
None (N)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
High (H)
Measures the impact to the availability of the impacted component
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
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
Authentication
None (N)
Describes the level of privileges an attacker must possess
Confidentiality Impact
None (N)
Measures the impact to the confidentiality of information
Integrity Impact
None (N)
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Partial
Measures the impact to the availability of the impacted component
Description
Akka HTTP 10.1.x before 10.1.15 and 10.2.x before 10.2.7 can encounter stack exhaustion while parsing HTTP headers, which allows a remote attacker to conduct a Denial of Service attack by sending a User-Agent header with deeply nested comments.
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Sources
CWEs
Exploits
Vulnerable Software (1)
Type: Configuration
Vendor: akka
Product: http_server
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:akka:http_server:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.1.15", "versionStartIncluding": "10.1.0", "vulnerable": true }...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:akka:http_server:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.1.15", "versionStartIncluding": "10.1.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:akka:http_server:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.2.7", "versionStartIncluding": "10.2.0", "vulnerable": true } ], "operator": "OR"}
Source: nvd