CVE-2021-30997

CVSS V2 Medium 5 CVSS V3 High 7.5

Description

A S/MIME issue existed in the handling of encrypted email. This issue was addressed by not automatically loading some MIME parts. This issue is fixed in iOS 15.2 and iPadOS 15.2. An attacker may be able to recover plaintext contents of an S/MIME-encrypted e-mail.

Overview

CVE ID
CVE-2021-30997

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2021-08-24T19:15:24

Last Modified Date
2023-01-09T16:41:59

Weakness Enumerations

CWE	URL
CWE-312	http://cwe.mitre.org/data/definitions/312.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:o:apple:ipad_os::::::::	1	OR		15.2
cpe:2.3:o:apple:iphone_os::::::::	1	OR		15.2

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
https://support.apple.com/en-us/HT212976

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-30997
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30997

History

Created	Old Value	New Value	Data Type	Notes
2022-05-26 18:00:13				Added to TrackCVE
2022-12-05 09:00:38	2021-08-24T19:15Z	2021-08-24T19:15:24	CVE Published Date	updated
2022-12-05 09:00:38		2022-05-31T23:26:32	CVE Modified Date	updated
2022-12-05 09:00:38		Analyzed	Vulnerability Status	updated
2023-01-09 17:14:12		2023-01-09T16:41:59	CVE Modified Date	updated