CVE-2020-15685

Public Exploit

Description

During the plaintext phase of the STARTTLS connection setup, protocol commands could have been injected and evaluated within the encrypted session. This vulnerability affects Thunderbird < 78.7.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.55%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2021-05/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1622640 issue tracking patch vendor advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-15685?
CVE-2020-15685 has been scored as a high severity vulnerability.
How to fix CVE-2020-15685?
To fix CVE-2020-15685, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-15685 being actively exploited in the wild?
It is possible that CVE-2020-15685 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-15685?
CVE-2020-15685 affects Mozilla Thunderbird.
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