CVE-2021-44751 F-Secure SAFE Browser vulnerable to USSD attacks
Attackers can trigger unwanted USSD messages or calls via malicious websites in F-Secure SAFE Browser, potentially causing financial harm or service disruption.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-44751?
CVE-2021-44751 is a medium-severity vulnerability in F-Secure SAFE Browser for Android Version 18.5 & below, published on 25 Mar 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
A vulnerability affecting F-Secure SAFE browser was discovered. A maliciously crafted website attached with USSD code in JavaScript or iFrame can trigger dialer application from F-Secure browser which can be exploited by an attacker to send unwanted USSD messages or perform unwanted calls. In most modern Android OS, dialer application will require user interaction, however, some older Android OS may not need user interaction.
Weakness: CWE-276
Which versions are affected by CVE-2021-44751?
It affects 1 product.
Products include F-Secure Safe.
How do I fix CVE-2021-44751?
No fix has been published for CVE-2021-44751 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-44751 being exploited?
There is no known exploitation of CVE-2021-44751 in the wild and no public exploit code.
Other vulnerabilities in F-Secure SAFE Browser for Android Version 18.5 & below
- CVE-2020-14977 Race condition in n/a
- CVE-2020-14978 Privilege escalation in n/a
- CVE-2022-38164 Security feature bypass in n/a
- CVE-2021-44748 Universal Cross-Site Scripting Vulnerability in F-Secure SAFE Browser for Android
- CVE-2021-44749 Universal Cross-Site Scripting Vulnerability in F-Secure SAFE Browser Protection for Android
Sources
Also known as GHSA-7gxq-69xx-2vr4.