How severe is CVE-2020-9085?

CVE-2020-9085 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2020-9085 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9085?

CVE-2020-9085 primarily affects Huawei B612 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-9085?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2020-9085 have an EU (EUVD) identifier?

Yes. CVE-2020-9085 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-29914.

When was CVE-2020-9085 published?

CVE-2020-9085 was published on 2024-12-27 and last updated on 2026-06-17.

CVE-2020-9085

CVE-2020-9085 is a medium-severity vulnerability in Huawei B612 Firmware with a CVSS 3.x base score of 5.3. 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-29914
Weakness: CWE-476
Affected product: Huawei B612 Firmware
Published: 2024-12-27
Last modified: 2026-06-17

Description

There is a NULL pointer dereference vulnerability in some Huawei products. An attacker may send specially crafted POST messages to the affected products. Due to insufficient validation of some parameter in the message, successful exploit may cause some process abnormal. (Vulnerability ID: HWPSIRT-2017-10105) This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9085.

Frequently asked questions

What is CVE-2020-9085?: There is a NULL pointer dereference vulnerability in some Huawei products. An attacker may send specially crafted POST messages to the affected products. Due to insufficient validation of some parameter in the message, successful exploit may cause some process abnormal. (Vulnerability ID: HWPSIRT-2017-10105) This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9085.
How severe is CVE-2020-9085?: CVE-2020-9085 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2020-9085 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9085?: CVE-2020-9085 primarily affects Huawei B612 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-9085?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2020-9085 have an EU (EUVD) identifier?: Yes. CVE-2020-9085 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-29914.
When was CVE-2020-9085 published?: CVE-2020-9085 was published on 2024-12-27 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200826-01-pointer_en

Affected products (3)

cpe:2.3:o:huawei:b612_firmware:b612s-25dtcpu-v100r001b192d03sp00c234:*:*:*:*:*:*:*
cpe:2.3:o:huawei:b612_firmware:b612s-25dtcpu-v100r001b192d03sp00c287:*:*:*:*:*:*:*
cpe:2.3:o:huawei:b612_firmware:b612s-25dtcpu-v100r001b192d05sp00c00:*:*:*:*:*:*:*

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