CWE
601
Advisory Published
CVE Published
Updated

CVE-2020-15677

First published: Tue Sep 22 2020(Updated: )

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.

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
debian/firefox
118.0.2-1
debian/firefox-esr
91.12.0esr-1~deb10u1
115.3.1esr-1~deb10u1
102.15.0esr-1~deb11u1
115.3.1esr-1~deb11u1
102.15.1esr-1~deb12u1
115.3.0esr-1~deb12u1
115.3.0esr-1
debian/thunderbird
1:91.12.0-1~deb10u1
1:115.3.1-1~deb10u1
1:102.13.1-1~deb11u1
1:115.3.1-1~deb11u1
1:102.15.1-1~deb12u1
1:115.3.1-1~deb12u1
1:115.3.1-1
Thunderbird<78.3
78.3
Firefox<81.0
Firefox ESR<78.3
Thunderbird<78.3
Debian=9.0
Debian=10.0
SUSE Linux=15.1
SUSE Linux=15.2
Firefox<81
81
Firefox ESR<78.3
78.3

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Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of CVE-2020-15677?

    CVE-2020-15677 is classified as a moderate severity vulnerability.

  • How do I fix CVE-2020-15677?

    To fix CVE-2020-15677, upgrade your Firefox, Firefox ESR, or Thunderbird to the specified remedied versions listed in the advisory.

  • Which software is affected by CVE-2020-15677?

    CVE-2020-15677 affects Mozilla Firefox, Firefox ESR, and Thunderbird versions prior to the specified remediation versions.

  • Can CVE-2020-15677 lead to security risks?

    Yes, CVE-2020-15677 can potentially lead to security risks such as phishing attacks by allowing an attacker to spoof the site in the download dialog.

  • When was CVE-2020-15677 disclosed?

    CVE-2020-15677 was disclosed as part of Mozilla's advisory MFSA 2020-44.

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