Vulnerability Details : 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 downloaded from. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.
Vulnerability category: Open redirect
Products affected by CVE-2020-15677
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-15677
0.53%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 64 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-15677
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2020-15677
-
The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-15677
-
https://www.mozilla.org/security/advisories/mfsa2020-42/
Security Vulnerabilities fixed in Firefox 81 — MozillaRelease Notes;Vendor Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html
[security-announce] openSUSE-SU-2020:1785-1: important: Security updateBroken Link;Mailing List;Third Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2020-44/
Security Vulnerabilities fixed in Thunderbird 78.3 — MozillaRelease Notes;Vendor Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1641487
Access DeniedIssue Tracking;Permissions Required;Vendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2020-43/
Security Vulnerabilities fixed in Firefox ESR 78.3 — MozillaRelease Notes;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2020/10/msg00020.html
[SECURITY] [DLA 2408-1] thunderbird security updateMailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202010-02
Mozilla Firefox, Mozilla Thunderbird: Multiple vulnerabilities (GLSA 202010-02) — Gentoo securityThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html
[security-announce] openSUSE-SU-2020:1780-1: important: Security updateBroken Link;Mailing List;Third Party Advisory
-
https://www.debian.org/security/2020/dsa-4770
Debian -- Security Information -- DSA-4770-1 thunderbirdThird Party Advisory
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