CVE-2021-1826

CVSS V2 Medium 4.3 CVSS V3 Medium 6.1
Description
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may lead to universal cross site scripting.
Overview
  • CVE ID
  • CVE-2021-1826
  • Assigner
  • product-security@apple.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-09-08T15:15:10
  • Last Modified Date
  • 2021-09-16T15:53:51
Weakness Enumerations
CWE URL
CWE-79 http://cwe.mitre.org/data/definitions/79.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: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: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/HT212317 Vendor Advisory
https://support.apple.com/en-us/HT212325 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-2021-1826
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1826
History
Created Old Value New Value Data Type Notes
2022-05-10 16:04:55 Added to TrackCVE
2022-12-05 09:58:35 2021-09-08T15:15Z 2021-09-08T15:15:10 CVE Published Date updated
2022-12-05 09:58:35 2021-09-16T15:53:51 CVE Modified Date updated
2022-12-05 09:58:35 Analyzed Vulnerability Status updated