Vulnerability in Microsoft Windows
CVE-2020-15657
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (26.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Microsoft Windows
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Firefox Esr
- Mozilla Thunderbird — versions unspecified
Weakness classification (CWE)
References
- www.mozilla.org/security/advisories/mfsa2020-30/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2020-32/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2020-33/ (Vendor Advisory)
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Issue Tracking, Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-15657?
- CVE-2020-15657 is a high-severity vulnerability in Microsoft Windows, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2020-08-10.
- How severe is CVE-2020-15657?
- High severity. CVSS v3 base score is 7.8 out of 10.