How severe is CVE-2020-9101?

CVE-2020-9101 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-9101 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-2020-9101?

CVE-2020-9101 primarily affects Huawei Ips Module Firmware. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-9101?

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

When was CVE-2020-9101 published?

CVE-2020-9101 was published on 2020-07-18 and last updated on 2026-06-17.

CVE-2020-9101

CVE-2020-9101 is a medium-severity vulnerability in Huawei Ips Module 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.3
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Huawei Ips Module Firmware
Published: 2020-07-18
Last modified: 2026-06-17

Description

There is an out-of-bounds write vulnerability in some products. An unauthenticated attacker crafts malformed packets with specific parameter and sends the packets to the affected products. Due to insufficient validation of packets, which may be exploited to cause the process reboot. Affected product versions include: IPS Module versions V500R005C00, V500R005C10; NGFW Module versions V500R005C00, V500R005C10; Secospace USG6300 versions V500R001C30, V500R001C60, V500R005C00, V500R005C10; Secospace USG6500 versions V500R001C30, V500R001C60, V500R005C00, V500R005C10; Secospace USG6600 versions V500R001C30, V500R001C60, V500R005C00, V500R005C10; USG9500 versions V500R001C30, V500R001C60, V500R005C00, V500R005C10

Frequently asked questions

What is CVE-2020-9101?: There is an out-of-bounds write vulnerability in some products. An unauthenticated attacker crafts malformed packets with specific parameter and sends the packets to the affected products. Due to insufficient validation of packets, which may be exploited to cause the process reboot. Affected product versions include: IPS Module versions V500R005C00, V500R005C10; NGFW Module versions V500R005C00, V500R005C10; Secospace USG6300 versions V500R001C30, V500R001C60, V500R005C00, V500R005C10; Secospace USG6500 versions V500R001C30, V500R001C60, V500R005C00, V500R005C10; Secospace USG6600 versions V500R001C30, V500R001C60, V500R005C00, V500R005C10; USG9500 versions V500R001C30, V500R001C60, V500R005C00, V500R005C10
How severe is CVE-2020-9101?: CVE-2020-9101 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-9101 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-2020-9101?: CVE-2020-9101 primarily affects Huawei Ips Module Firmware. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-9101?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-9101 published?: CVE-2020-9101 was published on 2020-07-18 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200715-01-outofboundswrite-en

Affected products (20)

cpe:2.3:o:huawei:ips_module_firmware:v500r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ips_module_firmware:v500r005c10:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r005c10:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r001c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r001c60:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r005c10:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r001c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r001c60:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r005c10:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c60:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r005c10:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9500_firmware:v500r001c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9500_firmware:v500r001c60:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9500_firmware:v500r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9500_firmware:v500r005c10:*:*:*:*:*:*:*

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