CVE-2022-1520

Mozilla: Incorrect security status shown after viewing an attached email

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

When viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both, Thunderbird may show an incorrect encryption or signature status. After opening and viewing the attached message B, when returning to the display of message A, the message A might be shown with the security status of message B. This vulnerability affects Thunderbird < 91.9.

Al visualizar un mensaje de correo electrónico A, que contiene un mensaje B adjunto, donde B está cifrado o firmado digitalmente o ambos, Thunderbird puede mostrar un estado de cifrado o firma incorrecto. Después de abrir y ver el mensaje B adjunto, al regresar a la visualización del mensaje A, es posible que el mensaje A se muestre con el estado de seguridad del mensaje B. Esta vulnerabilidad afecta a Thunderbird < 91.9.

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of when viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both, Thunderbird may show an incorrect encryption or signature status. After opening and viewing the attached message B, when returning to the display of message A, the message might show the security status of message B.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-04-28 CVE Reserved
2022-05-05 CVE Published
2024-07-14 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-203: Observable Discrepancy

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.mozilla.org/security/advisories/mfsa2022-18	2023-08-08
https://access.redhat.com/security/cve/CVE-2022-1520	2022-05-18
https://bugzilla.redhat.com/show_bug.cgi?id=2082037	2022-05-18

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mozilla Search vendor "Mozilla"		Thunderbird Search vendor "Mozilla" for product "Thunderbird"				< 91.9 Search vendor "Mozilla" for product "Thunderbird" and version " < 91.9"		-		Affected