How severe is CVE-2020-9099?

CVE-2020-9099 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-9099 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9099?

CVE-2020-9099 primarily affects Huawei Ips Module Firmware. In total, 80 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-9099?

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

When was CVE-2020-9099 published?

CVE-2020-9099 was published on 2020-06-08 and last updated on 2026-06-17.

CVE-2020-9099

CVE-2020-9099 is a critical-severity vulnerability in Huawei Ips Module Firmware with a CVSS 3.x base score of 9.8. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Huawei Ips Module Firmware
Published: 2020-06-08
Last modified: 2026-06-17

Description

Huawei products IPS Module; NGFW Module; NIP6300; NIP6600; NIP6800; Secospace USG6300; Secospace USG6500; Secospace USG6600; USG9500 with versions of V500R001C00; V500R001C20; V500R001C30; V500R001C50; V500R001C60; V500R001C80; V500R005C00; V500R005C10; V500R005C20; V500R002C00; V500R002C10; V500R002C20; V500R002C30 have an improper authentication vulnerability. Attackers need to perform some operations to exploit the vulnerability. Successful exploit may obtain certain permissions on the device.

Frequently asked questions

What is CVE-2020-9099?: Huawei products IPS Module; NGFW Module; NIP6300; NIP6600; NIP6800; Secospace USG6300; Secospace USG6500; Secospace USG6600; USG9500 with versions of V500R001C00; V500R001C20; V500R001C30; V500R001C50; V500R001C60; V500R001C80; V500R005C00; V500R005C10; V500R005C20; V500R002C00; V500R002C10; V500R002C20; V500R002C30 have an improper authentication vulnerability. Attackers need to perform some operations to exploit the vulnerability. Successful exploit may obtain certain permissions on the device.
How severe is CVE-2020-9099?: CVE-2020-9099 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-9099 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9099?: CVE-2020-9099 primarily affects Huawei Ips Module Firmware. In total, 80 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-9099?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-9099 published?: CVE-2020-9099 was published on 2020-06-08 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200506-02-authentication-en

Affected products (80)

cpe:2.3:o:huawei:ips_module_firmware:v500r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ips_module_firmware:v500r001c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ips_module_firmware:v500r001c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ips_module_firmware:v500r001c50:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ips_module_firmware:v500r001c60:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ips_module_firmware:v500r001c80:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ips_module_firmware:v500r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ips_module_firmware:v500r005c10:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ips_module_firmware:v500r005c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r001c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r001c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r001c50:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r001c60:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r002c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r002c10:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r002c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r002c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r005c10:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r005c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6300_firmware:v500r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6300_firmware:v500r001c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6300_firmware:v500r001c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6300_firmware:v500r001c50:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6300_firmware:v500r001c60:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6300_firmware:v500r001c80:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6300_firmware:v500r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6300_firmware:v500r005c10:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6300_firmware:v500r005c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6600_firmware:v500r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6600_firmware:v500r001c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6600_firmware:v500r001c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6600_firmware:v500r001c50:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6600_firmware:v500r001c60:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6600_firmware:v500r001c80:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6600_firmware:v500r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6600_firmware:v500r005c10:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6600_firmware:v500r005c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6800_firmware:v500r001c60:*:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →