An issue was discovered in Luna Simo PPR1.180610.011/202001031830.

published 2022-03-11 4y ago modified 2026-06-17 4mo ago also EUVD-2021-28850

cvss: 5.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 16%
public exploits: 0; none known

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.

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Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

kryptowire.com https://www.kryptowire.com/blog/vsim-vulnerability-within-simo-android-phones-exposed/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	2.1	AV:L/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-319 Cleartext Transmission of Sensitive Information

References

kryptowire.com /blog/vsim-vulnerability-within-simo-android-phones-exposed/
exploit, third-party-advisory
simowireless.com /
vendor-advisory
kryptowire.com /android-firmware-2022/
broken-link
athack.com /session-details/401
third-party-advisory

Sources

CVE List CVE-2021-41849
NVD CVE-2021-41849

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