Is CVE-2020-12392 in the CISA KEV catalog?

No. CVE-2020-12392 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-12392?

CVE-2020-12392 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2020-12392?

CVE-2020-12392 has an EPSS score of 0.35% (27th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-12392?

Upgrade firefox on debian unstable to 76.0-1 or later. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2020-12392

MEDIUM

5.5

CVSS v3

NVD

Description

The 'Copy as cURL' feature of Devtools' network tab did not properly escape the HTTP POST data of a request, which can be controlled by the website. If a user used the 'Copy as cURL' feature and pasted the command into a terminal, it could have resulted in the disclosure of local files. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

CWE-22Path Traversal

How to fix

Remediation Available

firefoxDebian

Fixed in:76.0-1CVE-2020-12392

firefoxUbuntu

Fixed in:76.0+build2-0ubuntu0.16.04.1USN-4353-1

Fixed in:76.0+build2-0ubuntu0.18.04.1USN-4353-1

Fixed in:76.0+build2-0ubuntu0.20.04.1USN-4353-1

thunderbirdUbuntu

Fixed in:1:68.8.0+build2-0ubuntu0.16.04.2USN-4373-1

Fixed in:1:68.8.0+build2-0ubuntu0.18.04.2USN-4373-1

Fixed in:1:68.8.0+build2-0ubuntu0.20.04.2USN-4373-1

DeveloperEditionWindows application

Affected:76.0Fixed in:76.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:76.0Fixed in:76.0Mozilla

Mozilla Firefox ESR (en-US)Windows application

Affected:68.8.0Fixed in:68.8.0Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:68.8.0Fixed in:68.8.0Mozilla

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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.35%probability of exploitation in 30 days

27thpercentile

Low risk: more likely to be exploited than 27% of all known CVEs.

References

Vendor Advisory3

Third-Party Advisory3

Issue Tracking1

bugzilla.mozilla.org

Related Vulnerabilities

Other CWE-22 (Path Traversal) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-23897	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32315	High	8.6	100%	KEV	Fix
CVE-2022-29464	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-26086	Medium	5.3	100%	KEV	Fix
CVE-2021-22005	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-5902	Critical	9.8	100%	KEV + Ransom	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.