How severe is CVE-2020-1864?

CVE-2020-1864 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-1864 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1864?

CVE-2020-1864 primarily affects Huawei Secospace Antiddos8000 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-1864?

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-2020-1864 published?

CVE-2020-1864 was published on 2020-03-20 and last updated on 2026-06-17.

CVE-2020-1864

CVE-2020-1864 is a high-severity vulnerability in Huawei Secospace Antiddos8000 Firmware with a CVSS 3.x base score of 8.1. 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: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Huawei Secospace Antiddos8000 Firmware
Published: 2020-03-20
Last modified: 2026-06-17

Description

Some Huawei products have a security vulnerability due to improper authentication. A remote attacker needs to obtain some information and forge the peer device to send specific packets to the affected device. Due to the improper implementation of the authentication function, attackers can exploit the vulnerability to connect to affected devices and execute a series of commands.Affected product versions include:Secospace AntiDDoS8000 versions V500R001C00,V500R001C20,V500R001C60,V500R005C00.

Frequently asked questions

What is CVE-2020-1864?: Some Huawei products have a security vulnerability due to improper authentication. A remote attacker needs to obtain some information and forge the peer device to send specific packets to the affected device. Due to the improper implementation of the authentication function, attackers can exploit the vulnerability to connect to affected devices and execute a series of commands.Affected product versions include:Secospace AntiDDoS8000 versions V500R001C00,V500R001C20,V500R001C60,V500R005C00.
How severe is CVE-2020-1864?: CVE-2020-1864 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-1864 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1864?: CVE-2020-1864 primarily affects Huawei Secospace Antiddos8000 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-1864?: 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-2020-1864 published?: CVE-2020-1864 was published on 2020-03-20 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200318-01-authentication-en

Affected products (4)

cpe:2.3:o:huawei:secospace_antiddos8000_firmware:v500r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_antiddos8000_firmware:v500r001c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_antiddos8000_firmware:v500r001c60:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_antiddos8000_firmware:v500r005c00:*:*:*:*:*:*:*

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CVE-2019-5257 — Medium (CVSS 5.5): Certain Huawei products (AP2000;IPS Module;NGFW Module;NIP6300;NIP6600;NIP6800;S5700;SVN5600;SVN5800;SVN5800-C;SeMG9811;…
CVE-2019-5256 — Medium (CVSS 5.5): Certain Huawei products (AP2000;IPS Module;NGFW Module;NIP6300;NIP6600;NIP6800;S5700;SVN5600;SVN5800;SVN5800-C;SeMG9811;…

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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…

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