CVE-2020-20093

Name: CVE-2020-20093
Creator: NVD / NIST
Published: 2022-03-23T22:15:12.67+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 2.31%

Last modified Jun 17, 2026

CVE-2020-20093 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. The Facebook Messenger app for iOS 227.0 and prior and Android 228.1.0.10.116 and prior user interface does not properly represent URI messages to the user, which results in URI spoofing via specially crafted messages.. EPSS estimates a 2.31% chance of exploitation in the next 30 days.

Description

The Facebook Messenger app for iOS 227.0 and prior and Android 228.1.0.10.116 and prior user interface does not properly represent URI messages to the user, which results in URI spoofing via specially crafted messages.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

2.31%

81.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Facebook	Messenger	<= 227.0
Facebook	Messenger	<= 228.1.0.10.116

References

http://packetstormsecurity.com/files/166448/RTLO-Injection-URI-Spoofing.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/zadewg/RIUSExploit, Third Party Advisory
http://packetstormsecurity.com/files/166448/RTLO-Injection-URI-Spoofing.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/zadewg/RIUSExploit, Third Party Advisory

Timeline

Published: Mar 23, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-20093?

How severe is CVE-2020-20093?

CVE-2020-20093 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.31% probability of exploitation in the next 30 days.

How do I fix CVE-2020-20093?

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-2020-20093?

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

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Source: NVD / NIST