Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-1879

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..

Published

2021-04-02T19:15:20.770

Last Modified

2025-02-28T14:48:55.250

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 6.1 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-79
  • Type: Secondary
    CWE-79
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System apple ipados < 14.4.2 Yes
Operating System apple iphone_os < 12.5.2 Yes
Operating System apple iphone_os < 14.4.2 Yes
Operating System apple watchos < 7.3.3 Yes
References