How severe is CVE-2020-9241?

CVE-2020-9241 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.

Is CVE-2020-9241 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9241?

CVE-2020-9241 primarily affects Huawei E6878-370 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-9241?

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

When was CVE-2020-9241 published?

CVE-2020-9241 was published on 2020-08-17 and last updated on 2026-06-17.

CVE-2020-9241

CVE-2020-9241 is a high-severity vulnerability in Huawei E6878-370 Firmware with a CVSS 3.x base score of 7.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.0)
CVSS v2: 6.8
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Huawei E6878-370 Firmware
Published: 2020-08-17
Last modified: 2026-06-17

Description

Huawei 5G Mobile WiFi E6878-370 with versions of 10.0.3.1(H563SP1C00),10.0.3.1(H563SP21C233) have an improper authorization vulnerability. The device does not restrict certain data received from WAN port. Successful exploit could allow an attacker at WAN side to manage certain service of the device.

Frequently asked questions

What is CVE-2020-9241?: Huawei 5G Mobile WiFi E6878-370 with versions of 10.0.3.1(H563SP1C00),10.0.3.1(H563SP21C233) have an improper authorization vulnerability. The device does not restrict certain data received from WAN port. Successful exploit could allow an attacker at WAN side to manage certain service of the device.
How severe is CVE-2020-9241?: CVE-2020-9241 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.
Is CVE-2020-9241 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9241?: CVE-2020-9241 primarily affects Huawei E6878-370 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-9241?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-9241 published?: CVE-2020-9241 was published on 2020-08-17 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200812-01-auth-en

Affected products (2)

cpe:2.3:o:huawei:e6878-370_firmware:10.0.3.1\(h563sp1c00\):*:*:*:*:*:*:*
cpe:2.3:o:huawei:e6878-370_firmware:10.0.3.1\(h563sp21c233\):*:*:*:*:*:*:*

More vulnerabilities in Huawei E6878-370 Firmware

CVE-2020-1832 — High (CVSS 8.8): E6878-370 products with versions of 10.0.3.1(H557SP27C233) and 10.0.3.1(H563SP1C00) have a stack buffer overflow…
CVE-2020-1799 — High (CVSS 7.5): E6878-370 with versions of 10.0.3.1(H557SP27C233), 10.0.3.1(H563SP1C00), 10.0.3.1(H563SP1C233) has a use after free…
CVE-2020-9069 — Medium (CVSS 6.5): There is an information leakage vulnerability in some Huawei products. An unauthenticated, adjacent attacker could…
CVE-2020-9111 — Medium (CVSS 4.5): E6878-370 versions 10.0.3.1(H557SP27C233),10.0.3.1(H563SP21C233) and E6878-870 versions…

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