CVE-2021-21017
Scores
EPSS
Percentile: 90.2%
CVSS
CVSS Score: 8.8/10
All CVSS Scores
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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
Required (R)
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:M/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
Medium
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
Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a heap-based buffer overflow vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
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Sources
CWEs
Related Vulnerabilities
Exploits
Vulnerable Software (4)
Type: Configuration
Vendor: *
Product: acrobat
Operating System: * * *
{ "children": [ { "cpe_match": [ { "cpe23uri": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "versionEndIncluding": "17.011.30188", "versionStartIn...
{ "children": [ { "cpe_match": [ { "cpe23uri": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "versionEndIncluding": "17.011.30188", "versionStartIncluding": "17.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "versionEndIncluding": "20.001.30018", "versionStartIncluding": "20.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*", "versionEndIncluding": "20.013.20074", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "versionEndIncluding": "17.011.30188", "versionStartIncluding": "17.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "versionEndIncluding": "20.001.300183", "versionStartIncluding": "20.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*", "versionEndIncluding": "20.013.20074", "vulnerable": true } ], "operator": "OR" }, { "cpe_match": [ { "cpe23uri": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*" }, { "cpe23uri": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*" } ], "operator": "OR" } ], "operator": "AND"}
Source: nvd
Type: Configuration
Vendor: *
Product: acrobat_dc
Operating System: * * *
{ "children": [ { "cpe_match": [ { "cpe23uri": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "versionEndIncluding": "17.011.30188", "versionStartIn...
{ "children": [ { "cpe_match": [ { "cpe23uri": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "versionEndIncluding": "17.011.30188", "versionStartIncluding": "17.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "versionEndIncluding": "20.001.30018", "versionStartIncluding": "20.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*", "versionEndIncluding": "20.013.20074", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "versionEndIncluding": "17.011.30188", "versionStartIncluding": "17.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "versionEndIncluding": "20.001.300183", "versionStartIncluding": "20.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*", "versionEndIncluding": "20.013.20074", "vulnerable": true } ], "operator": "OR" }, { "cpe_match": [ { "cpe23uri": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*" }, { "cpe23uri": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*" } ], "operator": "OR" } ], "operator": "AND"}
Source: nvd
Type: Configuration
Vendor: *
Product: acrobat_reader
Operating System: * * *
{ "children": [ { "cpe_match": [ { "cpe23uri": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "versionEndIncluding": "17.011.30188", "versionStartIn...
{ "children": [ { "cpe_match": [ { "cpe23uri": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "versionEndIncluding": "17.011.30188", "versionStartIncluding": "17.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "versionEndIncluding": "20.001.30018", "versionStartIncluding": "20.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*", "versionEndIncluding": "20.013.20074", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "versionEndIncluding": "17.011.30188", "versionStartIncluding": "17.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "versionEndIncluding": "20.001.300183", "versionStartIncluding": "20.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*", "versionEndIncluding": "20.013.20074", "vulnerable": true } ], "operator": "OR" }, { "cpe_match": [ { "cpe23uri": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*" }, { "cpe23uri": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*" } ], "operator": "OR" } ], "operator": "AND"}
Source: nvd
Type: Configuration
Vendor: *
Product: acrobat_reader_dc
Operating System: * * *
{ "children": [ { "cpe_match": [ { "cpe23uri": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "versionEndIncluding": "17.011.30188", "versionStartIn...
{ "children": [ { "cpe_match": [ { "cpe23uri": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "versionEndIncluding": "17.011.30188", "versionStartIncluding": "17.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "versionEndIncluding": "20.001.30018", "versionStartIncluding": "20.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*", "versionEndIncluding": "20.013.20074", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "versionEndIncluding": "17.011.30188", "versionStartIncluding": "17.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "versionEndIncluding": "20.001.300183", "versionStartIncluding": "20.0", "vulnerable": true }, { "cpe23uri": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*", "versionEndIncluding": "20.013.20074", "vulnerable": true } ], "operator": "OR" }, { "cpe_match": [ { "cpe23uri": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*" }, { "cpe23uri": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*" } ], "operator": "OR" } ], "operator": "AND"}
Source: nvd