CVE-2021-1739

CVSS V2 Low 2.1 CVSS V3 Medium 5.5
Description
A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. A local user may be able to modify protected parts of the file system.
Overview
  • CVE ID
  • CVE-2021-1739
  • Assigner
  • product-security@apple.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-09-08T15:15:09
  • Last Modified Date
  • 2021-09-15T14:02:12
Weakness Enumerations
CWE URL
CWE-22 http://cwe.mitre.org/data/definitions/22.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* 1 OR 14.5
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 1 OR 14.5
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* 1 OR 10.14 10.14.5
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* 1 OR 10.15 10.15.5
cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.6:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.6:supplemental_update:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:* 1 OR
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* 1 OR 11.0 11.3
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* 1 OR 14.5
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* 1 OR 7.4
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:P/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://support.apple.com/en-us/HT212327 Vendor Advisory
https://support.apple.com/en-us/HT212317 Vendor Advisory
https://support.apple.com/en-us/HT212325 Vendor Advisory
https://support.apple.com/en-us/HT212326 Vendor Advisory
https://support.apple.com/en-us/HT212323 Vendor Advisory
https://support.apple.com/en-us/HT212324 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-1739
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1739
History
Created Old Value New Value Data Type Notes
2022-05-10 16:05:14 Added to TrackCVE
2022-12-05 09:57:13 2021-09-08T15:15Z 2021-09-08T15:15:09 CVE Published Date updated
2022-12-05 09:57:13 2021-09-15T14:02:12 CVE Modified Date updated
2022-12-05 09:57:13 Analyzed Vulnerability Status updated