How severe is CVE-2020-9071?

CVE-2020-9071 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-9071 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9071?

CVE-2020-9071 primarily affects Huawei Ar120-s Firmware. In total, 68 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-9071?

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

When was CVE-2020-9071 published?

CVE-2020-9071 was published on 2020-06-01 and last updated on 2026-06-17.

CVE-2020-9071

CVE-2020-9071 is a medium-severity vulnerability in Huawei Ar120-s Firmware with a CVSS 3.x base score of 6.5. 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: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Huawei Ar120-s Firmware
Published: 2020-06-01
Last modified: 2026-06-17

Description

There is a few bytes out-of-bounds read vulnerability in some Huawei products. The software reads data past the end of the intended buffer when parsing certain message, an authenticated attacker could exploit this vulnerability by sending crafted messages to the device. Successful exploit may cause service abnormal in specific scenario.Affected product versions include:AR120-S versions V200R007C00SPC900,V200R007C00SPCa00

Frequently asked questions

What is CVE-2020-9071?: There is a few bytes out-of-bounds read vulnerability in some Huawei products. The software reads data past the end of the intended buffer when parsing certain message, an authenticated attacker could exploit this vulnerability by sending crafted messages to the device. Successful exploit may cause service abnormal in specific scenario.Affected product versions include:AR120-S versions V200R007C00SPC900,V200R007C00SPCa00
How severe is CVE-2020-9071?: CVE-2020-9071 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-9071 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9071?: CVE-2020-9071 primarily affects Huawei Ar120-s Firmware. In total, 68 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-9071?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-9071 published?: CVE-2020-9071 was published on 2020-06-01 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200415-01-oob-en

Affected products (68)

cpe:2.3:o:huawei:ar120-s_firmware:v200r007c00spc900:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar120-s_firmware:v200r007c00spca00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar120-s_firmware:v200r007c00spcb00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar120-s_firmware:v200r007c00spcc00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar1200_firmware:v200r007c00spc900:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar1200_firmware:v200r007c00spc900pwe:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar1200_firmware:v200r007c00spca00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar1200_firmware:v200r007c00spcb00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar1200_firmware:v200r007c00spcb00pwe:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar1200_firmware:v200r007c00spcc00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar1200-s_firmware:v200r007c00spc900:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar1200-s_firmware:v200r007c00spcb00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar1200-s_firmware:v200r007c00spcc00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar150_firmware:v200r007c00spc900:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar150_firmware:v200r007c00spc900pwe:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar150_firmware:v200r007c00spcb00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar150_firmware:v200r007c00spcb00pwe:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar150_firmware:v200r007c00spcc00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar150-s_firmware:v200r007c00spc900:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar150-s_firmware:v200r007c00spcb00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar150-s_firmware:v200r007c00spcc00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar160_firmware:v200r007c00spc900:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar160_firmware:v200r007c00spc900pwe:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar160_firmware:v200r007c00spcb00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar160_firmware:v200r007c00spcb00pwe:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar160_firmware:v200r007c00spcc00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar200_firmware:v200r007c00spc900:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar200_firmware:v200r007c00spc900pwe:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar200_firmware:v200r007c00spcb00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar200_firmware:v200r007c00spcb00pwe:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar200_firmware:v200r007c00spcc00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar200-s_firmware:v200r007c00spc900:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar200-s_firmware:v200r007c00spcb00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar200-s_firmware:v200r007c00spcc00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar2200_firmware:v200r007c00spc900:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar2200_firmware:v200r007c00spc900pwe:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar2200_firmware:v200r007c00spca00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar2200_firmware:v200r007c00spcb00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar2200_firmware:v200r007c00spcb00pwe:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ar2200_firmware:v200r007c00spcc00:*:*:*:*:*:*:*

More vulnerabilities in Huawei Ar120-s Firmware

CVE-2017-17301 — Critical (CVSS 9.8): Huawei AR120-S V200R005C32, V200R006C10, V200R007C00, V200R008C20, AR1200 V200R005C20, V200R005C32, V200R006C10,…
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CVE-2019-5304 — High (CVSS 7.5): Some Huawei products have a buffer error vulnerability. An unauthenticated, remote attacker could send specific MPLS…
CVE-2019-5294 — High (CVSS 7.5): There is an out of bound read vulnerability in some Huawei products. A remote, unauthenticated attacker may send a…

All CVEs affecting Huawei Ar120-s Firmware →

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

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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…

Browse all CWE-125 (Out-of-bounds Read) vulnerabilities →