CVE-2020-1818 - CVE House
Back to Database
Status published Low CVE-2020-1818

There are multiple out of bounds (OOB) read vulnerabilities in...

Vulnerability Description

There are multiple out of bounds (OOB) read vulnerabilities in the implementation of the Common Open Policy Service (COPS) protocol of some Huawei products. The specific decoding function may occur out-of-bounds read when processes an incoming data packet. Successful exploit of these vulnerabilities may disrupt service on the affected device. (Vulnerability ID: HWPSIRT-2018-12275,HWPSIRT-2018-12276,HWPSIRT-2018-12277,HWPSIRT-2018-12278,HWPSIRT-2018-12279,HWPSIRT-2018-12280 and HWPSIRT-2018-12289) The seven vulnerabilities have been assigned seven Common Vulnerabilities and Exposures (CVE) IDs: CVE-2020-1818, CVE-2020-1819, CVE-2020-1820, CVE-2020-1821, CVE-2020-1822, CVE-2020-1823 and CVE-2020-1824.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-1818

Credits & Attribution

No credits recorded in the NVD database.

References

More from Huawei

View All →
CVE-2025-68970
Permission verification bypass vulnerability in the media library module. Impact: Successful...
Medium 6.1
CVE-2025-68969
Multi-thread race condition vulnerability in the thermal management module. Impact: Successful...
Medium 6.8
CVE-2025-68968
Double free vulnerability in the multi-mode input module. Impact: Successful exploitation...
High 7.8
CVE-2025-68967
Vulnerability of improper permission control in the print module. Impact: Successful...
Medium 5.7
CVE-2025-68966
Permission control vulnerability in the Notepad module. Impact: Successful exploitation of...
Medium 5.1

Affected Vendor

Affected Software

IPS Module, NGFW Module, NIP6300, NIP6600, NIP6800, Secospace USG6300, Secospace USG6500, Secospace USG6600, USG6000V
Vulnerable Versions:
V500R001C30, V500R001C60, V500R005C00, V500R002C00, V500R002C20, V500R003C00

Timeline

Official Publish: December 27th, 2024
Last Modified: December 27th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

CWE-125

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1213 Data from Information Repositories
Collection
T1003 OS Credential Dumping
Credential Access
T1552 Unsecured Credentials
Credential Access