CVE-2020-6827

Name: CVE-2020-6827
Creator: NVD / NIST
Published: 2020-04-24T16:15:13.853+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.7/10EPSS 0.74%

Last modified Jun 17, 2026

CVE-2020-6827 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. When following a link that opened an intent://-schemed URL, causing a custom tab to be opened, Firefox for Android could be tricked into displaying the incorrect URI. <br> *Note: This issue only affects Firefox for Android. EPSS estimates a 0.74% chance of exploitation in the next 30 days.

Description

When following a link that opened an intent://-schemed URL, causing a custom tab to be opened, Firefox for Android could be tricked into displaying the incorrect URI. <br> *Note: This issue only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 68.7.

Metrics

CVSS 3.1

4.7/10

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

EPSS Probability

0.74%

50.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1021

Affected Software

Vendor	Product	Versions
Mozilla	Firefox Esr	< 68.7.0

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1622278Issue Tracking, Permissions Required
https://www.mozilla.org/security/advisories/mfsa2020-13/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1622278Issue Tracking, Permissions Required
https://www.mozilla.org/security/advisories/mfsa2020-13/Vendor Advisory

Timeline

Published: Apr 24, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-6827?

How severe is CVE-2020-6827?

CVE-2020-6827 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.

How do I fix CVE-2020-6827?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-6827?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST