SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-15677

By exploiting an Open Redirect vulnerability on a website, an attacker could have spoofed the site displayed in the download file dialog to show the original site (the one suffering from the open redirect) rather than the site the file was actually…

MEDIUM 6.1EPSS 1.64%

Does this matter?

Lower severity and a low EPSS score (1.64%). Track it; it rarely justifies an emergency change on its own.

Description

By exploiting an Open Redirect vulnerability on a website, an attacker could have spoofed the site displayed in the download file dialog to show the original site (the one suffering from the open redirect) rather than the site the file was actually downloaded from. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.

CVSS 3.1
6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
1.64% probability · 75th percentile
CISA KEV
Not listed
Weakness
CWE-601
Affected
mozilla/firefox · mozilla/firefox esr · mozilla/thunderbird · debian/debian linux · opensuse/leap
Source
security@mozilla.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.