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CVE-2020-15658

CVSS v3.1 6.5 (Medium)
65% Progress
CVSS v2.0 4.3 (Medium)
43% Progress
EPSS 0.40 % (74th)
0.40% Progress
Affected Products 4
Advisories 15
Info CVSS EPSS Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

The code for downloading files did not properly take care of special characters, which led to an attacker being able to cut off the file ending at an earlier position, leading to a different file type being downloaded than shown in the dialog. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

Weaknesses
CWE-754
Improper Check for Unusual or Exceptional Conditions
CVE Status
PUBLISHED
CNA
Mozilla Corporation
Published Date
2020-08-10 18:15:12
(4 years ago)
Updated Date
2023-02-02 22:23:19
(19 months ago)

Affected Products

Canonical

Mozilla

Configuration #1

    CPE23 From Up To
  Mozilla Firefox prior 79.0 version cpe:2.3:a:mozilla:firefox < 79.0
  Mozilla Firefox Esr prior 78.1 version cpe:2.3:a:mozilla:firefox_esr < 78.1
  Mozilla Thunderbird prior 78.1 version cpe:2.3:a:mozilla:thunderbird < 78.1

Configuration #2

    CPE23 From Up To
  Canonical Ubuntu Linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm
  Canonical Ubuntu Linux 18.04 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts
  Canonical Ubuntu Linux 20.04 cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts