CVE-2021-44521
Scores
EPSS
Percentile: 90.6%
CVSS
CVSS Score: 9.1/10
All CVSS Scores
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/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
High (H)
Describes the level of privileges an attacker must possess
User Interaction
None (N)
Captures the requirement for a human user participation
Scope
Changed (C)
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
Vector: AV:N/AC:M/Au:S/C:C/I:C/A:C
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
Medium
Describes the conditions beyond the attacker's control
Authentication
Single
Describes the level of privileges an attacker must possess
Confidentiality Impact
Complete
Measures the impact to the confidentiality of information
Integrity Impact
Complete
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Complete
Measures the impact to the availability of the impacted component
Description
When running Apache Cassandra with the following configuration: enable_user_defined_functions: true enable_scripted_user_defined_functions: true enable_user_defined_functions_threads: false it is possible for an attacker to execute arbitrary code on the host. The attacker would need to have enough permissions to create user defined functions in the cluster to be able to exploit this. Note that this configuration is documented as unsafe, and will continue to be considered unsafe after this CVE.
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Sources
CWEs
Related Vulnerabilities
Exploits
Vulnerable Software (2)
Type: Configuration
Product: cassandra
Operating System: debian
{ "unfixed": true}
Source: debian
Type: Configuration
Vendor: *
Product: cassandra
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:apache:cassandra:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.0.26", "versionStartIncluding": "3.0.0", "vulnerable": true },...
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:apache:cassandra:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.0.26", "versionStartIncluding": "3.0.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:apache:cassandra:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.11.12", "versionStartIncluding": "3.11.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:apache:cassandra:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.0.2", "versionStartIncluding": "4.0.0", "vulnerable": true } ], "operator": "OR"}
Source: nvd