CVE-2020-15657
Last modified
CVE-2020-15657 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Firefox could be made to load attacker-supplied DLL files from the installation directory. This required an attacker that is already capable of placing files in the installation directory. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
Description
Firefox could be made to load attacker-supplied DLL files from the installation directory. This required an attacker that is already capable of placing files in the installation directory. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 79.0 |
| Mozilla | Firefox Esr | < 78.1 |
| Mozilla | Thunderbird | < 78.1 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.htmlThird Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1644954Issue Tracking, Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-30/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-32/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-33/Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.htmlThird Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1644954Issue Tracking, Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-30/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-32/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-33/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-15657?
How severe is CVE-2020-15657?
How do I fix CVE-2020-15657?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-15651A unicode RTL order character in the downloaded file name ca…4.3
- CVE-2020-15652By observing the stack trace for JavaScript errors in web wo…6.5
- CVE-2020-15653An iframe sandbox element with the allow-popups flag could b…6.5
- CVE-2020-15654When in an endless loop, a website specifying a custom curso…6.5
- CVE-2020-15655A redirected HTTP request which is observed or modified thro…6.5
- CVE-2020-15656JIT optimizations involving the Javascript arguments object …8.8
- CVE-2020-15658The code for downloading files did not properly take care of…6.5
- CVE-2020-15659Mozilla developers and community members reported memory saf…8.8
- CVE-2020-1566An elevation of privilege vulnerability exists when the Wind…4.2
- CVE-2020-15660Missing checks on Content-Type headers in geckodriver before…8.8
- CVE-2020-15661A rogue webpage could override the injected WKUserScript use…6.5
- CVE-2020-15662A rogue webpage could override the injected WKUserScript use…6.5
Are you affected by CVE-2020-15657?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
