What is CVE-2021-27715?

CVE-2021-27715 is a critical-severity vulnerability in Mofinetwork Mofi4500-4gxelte-V2, classified under Improper Authentication. CVSS score: 9.8/10. Published 2023-09-08.

How severe is CVE-2021-27715?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Mofinetwork Mofi4500-4gxelte-V2

CVE-2021-27715

An issue was discovered in MoFi Network MOFI4500-4GXeLTE-V2 3.5.6-xnet-5052 allows attackers to bypass the authentication and execute arbitrary code via crafted HTTP request.

Vulnerability class: Broken Authentication

Published 2023-09-08 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (64.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.011 · change: +0.001

Affected products

Mofinetwork Mofi4500-4gxelte-V2
Mofinetwork Mofi4500-4gxelte-V2 Firmware — versions 3.5.6-xnet-5052

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

af854a3a-2127-422b-91ae-364da2661108 (Not Applicable)
www.nagarro.com/services/security/mofi-cve-security-advisory (Third Party Advisory)

Frequently asked questions

What is CVE-2021-27715?: CVE-2021-27715 is a critical-severity vulnerability in Mofinetwork Mofi4500-4gxelte-V2, classified under Improper Authentication. CVSS score: 9.8/10. Published 2023-09-08.
How severe is CVE-2021-27715?: Critical severity. CVSS v3 base score is 9.8 out of 10.