CVE-2022-3155

Name: CVE-2022-3155
Creator: NVD / NIST
Published: 2022-12-22T20:15:38.313+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2022-3155 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. When saving or opening an email attachment on macOS, Thunderbird did not set attribute com.apple.quarantine on the received file. If the received file was an application and the user attempted to open it, then the application was started immediately without asking the user to confirm. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

When saving or opening an email attachment on macOS, Thunderbird did not set attribute com.apple.quarantine on the received file. If the received file was an application and the user attempted to open it, then the application was started immediately without asking the user to confirm. This vulnerability affects Thunderbird < 102.3.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.21%

11.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Mozilla	Thunderbird	< 102.3

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1789061Issue Tracking, Permissions Required, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-42/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1789061Issue Tracking, Permissions Required, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-42/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1789061Issue Tracking, Permissions Required, Vendor Advisory

Timeline

Published: Dec 22, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-3155?

How severe is CVE-2022-3155?

CVE-2022-3155 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2022-3155?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-3155?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST