SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-20747

Improper authorization in handler for custom URL scheme vulnerability in Retty App for Android versions prior to 4.8.13 and Retty App for iOS versions prior to 4.11.14 allows a remote attacker to lead a user to access an arbitrary website via the…

MEDIUM 4.3EPSS 1.00%

Does this matter?

Lower severity and a low EPSS score (1.00%). Track it; it rarely justifies an emergency change on its own.

Description

Improper authorization in handler for custom URL scheme vulnerability in Retty App for Android versions prior to 4.8.13 and Retty App for iOS versions prior to 4.11.14 allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.

CVSS 3.1
4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS
1.00% probability · 61th percentile
CISA KEV
Not listed
Weakness
CWE-862
Affected
retty/retty
Source
vultures@jpcert.or.jp

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.