CVE-2021-20837
Scores
EPSS
Percentile: 94.2%
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
Vector: AV:N/AC:L/Au:N/C:P/I:P/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
Partial
Measures the impact to the confidentiality of information
Integrity Impact
Partial
Measures the impact to integrity of a successfully exploited vulnerability
Availability Impact
Partial
Measures the impact to the availability of the impacted component
Description
Movable Type 7 r.5002 and earlier (Movable Type 7 Series), Movable Type 6.8.2 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.5002 and earlier (Movable Type Advanced 7 Series), Movable Type Advanced 6.8.2 and earlier (Movable Type Advanced 6 Series), Movable Type Premium 1.46 and earlier, and Movable Type Premium Advanced 1.46 and earlier allow remote attackers to execute arbitrary OS commands via unspecified vectors. Note that all versions of Movable Type 4.0 or later including unsupported (End-of-Life, EOL) versions are also affected by this vulnerability.
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Sources
CWEs
Exploits
Vulnerable Software (2)
Type: Configuration
Product: movabletype-opensource
Operating System: debian
{ "unfixed": true}
Source: debian
Type: Configuration
Vendor: *
Product: movable_type
Operating System: * * *
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium:*:*:*", "versionEndIncluding": "1.46", "vulnerable": true }, { "cpe23uri": "cpe:2....
{ "cpe_match": [ { "cpe23uri": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium:*:*:*", "versionEndIncluding": "1.46", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:premium_advanced:*:*:*", "versionEndIncluding": "1.46", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:*:*:*:*", "versionEndIncluding": "6.3.11", "versionStartIncluding": "4.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:*", "versionEndIncluding": "6.8.2", "versionStartIncluding": "6.5.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:*", "versionEndIncluding": "6.8.2", "versionStartIncluding": "6.5.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:-:*:*:*", "versionEndIncluding": "7.8.1", "versionStartIncluding": "7.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:sixapart:movable_type:*:*:*:*:advanced:*:*:*", "versionEndIncluding": "7.8.1", "versionStartIncluding": "7.0", "vulnerable": true } ], "operator": "OR"}
Source: nvd