CVE-2021-26567

moderate-risk
Published 2021-02-26

Stack-based buffer overflow vulnerability in frontend/main.c in faad2 before 2.2.7.1 allow local attackers to execute arbitrary code via filename and pathname options.

Do I need to act?

~
1.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (5)

Skynas Firmware
Faad2

Affected Vendors

Synology Faad2 Project

References (4)

Patch https://github.com/knik0/faad2/commit/720f7004d6c4aabee19aad16e7c456ed76a3ebfa
Vendor Advisory https://www.synology.com/security/advisory/Synology_SA_20_26
Patch https://github.com/knik0/faad2/commit/720f7004d6c4aabee19aad16e7c456ed76a3ebfa
Vendor Advisory https://www.synology.com/security/advisory/Synology_SA_20_26
39
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 3/34 · Minimal
Exposure 12/34 · Low