Medium severity · published Oct 1, 2020
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…
6.1
CVSS
1.7%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 81.0 · source: NVD
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
FE
Firefox Esr · Mozilla
before 78.3 · source: NVD
LE
Leap · Opensuse
15.1; 15.2 · source: NVD
TH
Thunderbird · Mozilla
before 78.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15677
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15677
Broken Link
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html
Broken Link
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1641487
Mailing List
https://lists.debian.org/debian-lts-announce/2020/10/msg00020.html
Third Party Advisory
https://security.gentoo.org/glsa/202010-02
Third Party Advisory
https://www.debian.org/security/2020/dsa-4770
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