CVE-2021-41849

Name: CVE-2021-41849
Creator: NVD / NIST
Published: 2022-03-11T23:15:09.223+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.25%

Last modified Jun 17, 2026

CVE-2021-41849 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An issue was discovered in Luna Simo PPR1.180610.011/202001031830. It sends the following Personally Identifiable Information (PII) in plaintext using HTTP to servers located in China: user's list of installed apps and device International Mobile Equipment Identity (IMEI). EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

An issue was discovered in Luna Simo PPR1.180610.011/202001031830. It sends the following Personally Identifiable Information (PII) in plaintext using HTTP to servers located in China: user's list of installed apps and device International Mobile Equipment Identity (IMEI). This PII is transmitted to log.skyroam.com.cn using HTTP, independent of whether the user uses the Simo software.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.25%

15.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Bluproducts	G90 Firmware	All versions
Bluproducts	G9 Firmware	All versions
Wikomobile	Tommy 3 Firmware	All versions
Wikomobile	Tommy 3 Plus Firmware	All versions
Luna	Simo Firmware	All versions

References

https://athack.com/session-details/401Third Party Advisory
https://simowireless.com/Vendor Advisory
https://www.kryptowire.com/android-firmware-2022/Broken Link
https://www.kryptowire.com/blog/vsim-vulnerability-within-simo-android-phones-exposed/Exploit, Third Party Advisory
https://athack.com/session-details/401Third Party Advisory
https://simowireless.com/Vendor Advisory
https://www.kryptowire.com/android-firmware-2022/Broken Link
https://www.kryptowire.com/blog/vsim-vulnerability-within-simo-android-phones-exposed/Exploit, Third Party Advisory

Timeline

Published: Mar 11, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-41849?

How severe is CVE-2021-41849?

CVE-2021-41849 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.

How do I fix CVE-2021-41849?

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-2021-41849?

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

Scan your code now

Source: NVD / NIST