CVE-2020-12397

EPSS 0.6%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

22 May 2020Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.

Affected products

Mozilla · Thunderbird

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1617370 https://security.gentoo.org/glsa/202005-03 https://usn.ubuntu.com/4373-1/https://www.mozilla.org/security/advisories/mfsa2020-18/