Is CVE-2020-6797 in the CISA KEV catalog?

No. CVE-2020-6797 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-6797?

CVE-2020-6797 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2020-6797?

CVE-2020-6797 has an EPSS score of 1.44% (70th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-6797?

Upgrade DeveloperEdition to 73.0 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2020-6797

MEDIUMEPSS 70th pctl

4.3

CVSS v3

NVD

Description

By downloading a file with the .fileloc extension, a semi-privileged extension could launch an arbitrary application on the user's computer. The attacker is restricted as they are unable to download non-quarantined files or supply command line arguments to the application, limiting the impact. Note: this issue only occurs on Mac OSX. Other operating systems are unaffected. This vulnerability affects Thunderbird < 68.5, Firefox < 73, and Firefox < ESR68.5.

CWE-20Improper Input Validation

How to fix

Remediation Available

DeveloperEditionWindows application

Affected:73.0Fixed in:73.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:73.0Fixed in:73.0Mozilla

Mozilla Firefox ESR (en-US)Windows application

Affected:68.5.0Fixed in:68.5.0Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:68.5.0Fixed in:68.5.0Mozilla

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Exploit Intelligence

1.44%probability of exploitation in 30 days

70thpercentile

Elevated risk: more likely to be exploited than 70% of all known CVEs.

References

Vendor Advisory3

Third-Party Advisory1

security.gentoo.org

Issue Tracking1

bugzilla.mozilla.org

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.