Is CVE-2020-15652 in the CISA KEV catalog?

No. CVE-2020-15652 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-15652?

CVE-2020-15652 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2020-15652?

CVE-2020-15652 has an EPSS score of 1.26% (66th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-15652?

Upgrade firefox on debian unstable to 79.0-1 or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2020-15652

MEDIUM

6.5

CVSS v3

NVD

Description

By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script. This vulnerability affects Firefox < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, Thunderbird < 68.11, and Thunderbird < 78.1.

CWE-346

How to fix

Remediation Available

firefoxDebian

Fixed in:79.0-1CVE-2020-15652

firefoxUbuntu

Fixed in:79.0+build1-0ubuntu0.16.04.2USN-4443-1

Fixed in:79.0+build1-0ubuntu0.18.04.1USN-4443-1

Fixed in:79.0+build1-0ubuntu0.20.04.1USN-4443-1

DeveloperEditionWindows application

Affected:78.0 78.1Fixed in:78.1Mozilla

Affected:79.0Fixed in:79.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:78.0 78.1Fixed in:78.1Mozilla

Affected:79.0Fixed in:79.0Mozilla

Mozilla Firefox ESR (en-US)Windows application

Affected:68.11Fixed in:68.11Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:68.11Fixed in:68.11Mozilla

Affected:78.0 78.1Fixed in:78.1Mozilla

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

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.26%probability of exploitation in 30 days

66thpercentile

Moderate risk: more likely to be exploited than 66% of all known CVEs.

References

Vendor Advisory6

Third-Party Advisory3

Other references1

lists.opensuse.org

Embed a live status badge for CVE-2020-15652

Markdown

[![CVE-2020-15652](https://tridentstack.com/cve/badge/CVE-2020-15652.svg)](https://tridentstack.com/cve/CVE-2020-15652)

HTML

<a href="https://tridentstack.com/cve/CVE-2020-15652"><img src="https://tridentstack.com/cve/badge/CVE-2020-15652.svg" alt="CVE-2020-15652"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.