How severe is CVE-2020-9094?

CVE-2020-9094 has a CVSS 3.x base score of 7.5, rated high 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 high.

Is CVE-2020-9094 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9094?

CVE-2020-9094 primarily affects Huawei Cloudengine 12800 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-9094?

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-2020-9094 published?

CVE-2020-9094 was published on 2020-12-29 and last updated on 2026-06-17.

CVE-2020-9094

CVE-2020-9094 is a high-severity vulnerability in Huawei Cloudengine 12800 Firmware with a CVSS 3.x base score of 7.5. 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-125.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Huawei Cloudengine 12800 Firmware
Published: 2020-12-29
Last modified: 2026-06-17

Description

There is an out of bound read vulnerability in some verisons of Huawei CloudEngine product. A module does not deal with specific message properly. Attackers can exploit this vulnerability by sending malicious packet. This can lead to denial of service.

Frequently asked questions

What is CVE-2020-9094?: There is an out of bound read vulnerability in some verisons of Huawei CloudEngine product. A module does not deal with specific message properly. Attackers can exploit this vulnerability by sending malicious packet. This can lead to denial of service.
How severe is CVE-2020-9094?: CVE-2020-9094 has a CVSS 3.x base score of 7.5, rated high 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 high.
Is CVE-2020-9094 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9094?: CVE-2020-9094 primarily affects Huawei Cloudengine 12800 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-9094?: 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-2020-9094 published?: CVE-2020-9094 was published on 2020-12-29 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20201216-01-obr-en

Affected products (5)

cpe:2.3:o:huawei:cloudengine_12800_firmware:v200r019c00spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_5800_firmware:v200r019c00spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_6800_firmware:v200r005c20spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_6800_firmware:v200r019c00spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_7800_firmware:v200r019c00spc800:*:*:*:*:*:*:*

More vulnerabilities in Huawei Cloudengine 12800 Firmware

CVE-2017-17301 — Critical (CVSS 9.8): Huawei AR120-S V200R005C32, V200R006C10, V200R007C00, V200R008C20, AR1200 V200R005C20, V200R005C32, V200R006C10,…
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CVE-2021-40008 — High (CVSS 7.5): There is a memory leak vulnerability in CloudEngine 12800 V200R019C00SPC800, CloudEngine 5800 V200R019C00SPC800,…
CVE-2021-22328 — High (CVSS 7.5): There is a denial of service vulnerability in some huawei products. In specific scenarios, due to the improper handling…
CVE-2021-22332 — High (CVSS 7.5): There is a pointer double free vulnerability in some versions of CloudEngine 5800, CloudEngine 6800, CloudEngine 7800…

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Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

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