Vulnerability CVE-2021-1879

Vulnerability Name:

CVE-2021-1879 (CCN-198848)

Assigned:

2020-12-08

Published:

2021-03-26

Updated:

2023-01-09

Summary:

CVSS v3 Severity:

6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): None

6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): None

CVSS v2 Severity:

4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): None

Vulnerability Consequences:

Cross-Site Scripting

References:

Source: MITRE
Type: CNA
CVE-2021-1879

Source: XF
Type: UNKNOWN
apple-ios-cve20211879-uxss(198848)

Source: CCN
Type: Apple security document HT212256
About the security content of iOS 14.4.2 and iPadOS 14.4.2

Source: product-security@apple.com
Type: Vendor Advisory
product-security@apple.com

Source: CCN
Type: Apple security document HT212257
About the security content of iOS 12.5.2

Source: product-security@apple.com
Type: Vendor Advisory
product-security@apple.com

Source: CCN
Type: Apple security document HT212258
About the security content of watchOS 7.3.3

Source: product-security@apple.com
Type: Vendor Advisory
product-security@apple.com

Source: CCN
Type: CYBERSECURITY & INFRASTRUCTURE SECURITY AGENCY
KNOWN EXPLOITED VULNERABILITIES CATALOG

Vulnerable Configuration:

Configuration CCN 1:

cpe:/o:apple:ios:14.4.1:*:*:*:*:*:*:*

OR cpe:/o:apple:ipados:14.4.1:*:*:*:*:*:*:*

OR cpe:/o:apple:ios:12.5.1:*:*:*:*:*:*:*

OR cpe:/o:apple:watchos:7.3.2:*:*:*:*:*:*:*

Denotes that component is vulnerable

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