CVE-2021-1879

CVSS V2 Medium 4.3 CVSS V3 Medium 6.1
Description
This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2, iOS 14.4.2 and iPadOS 14.4.2, watchOS 7.3.3. Processing maliciously crafted web content may lead to universal cross site scripting. Apple is aware of a report that this issue may have been actively exploited..
Overview
  • CVE ID
  • CVE-2021-1879
  • Assigner
  • product-security@apple.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-02T19:15:20
  • Last Modified Date
  • 2023-01-09T16:41:59
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* 1 OR 14.4.2
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 1 OR 12.5.2
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* 1 OR 13.0 14.4.2
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* 1 OR 7.3.3
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 6.1
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://support.apple.com/en-us/HT212256 Vendor Advisory
https://support.apple.com/en-us/HT212257 Vendor Advisory
https://support.apple.com/en-us/HT212258 Vendor Advisory
History
Created Old Value New Value Data Type Notes
2022-05-10 07:16:36 Added to TrackCVE
2022-12-06 01:04:33 2021-04-02T19:15Z 2021-04-02T19:15:20 CVE Published Date updated
2022-12-06 01:04:33 2021-04-09T12:17:08 CVE Modified Date updated
2022-12-06 01:04:33 Analyzed Vulnerability Status updated
2023-01-09 17:13:24 2023-01-09T16:41:59 CVE Modified Date updated