How severe is CVE-2021-27715?

CVE-2021-27715 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-27715 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27715?

CVE-2021-27715 affects Mofinetwork Mofi4500-4gxelte-v2 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-27715?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-27715 published?

CVE-2021-27715 was published on 2023-09-08 and last updated on 2026-07-09.

CVE-2021-27715

CVE-2021-27715 is a critical-severity vulnerability in Mofinetwork Mofi4500-4gxelte-v2 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Mofinetwork Mofi4500-4gxelte-v2 Firmware
Published: 2023-09-08
Last modified: 2026-07-09

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-27715?: CVE-2021-27715 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-27715 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27715?: CVE-2021-27715 affects Mofinetwork Mofi4500-4gxelte-v2 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-27715?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-27715 published?: CVE-2021-27715 was published on 2023-09-08 and last updated on 2026-07-09.

References

https://www.nagarro.com/services/security/mofi-cve-security-advisory

Affected products (1)

cpe:2.3:o:mofinetwork:mofi4500-4gxelte-v2_firmware:3.5.6-xnet-5052:*:*:*:*:*:*:*

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