CVE-2020-1821: huawei ips_module_firmware Out-of-bounds Read

Vulnerability summary

CVE-2020-1821 is a medium (CVSS 5.3) Out-of-bounds Read vulnerability in huawei ips_module_firmware. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.7% of scored vulnerabilities.

Timeline

1. 28-12-2024
   PublishedVulnerability first disclosed.
2. 30-12-2024
   Last modifiedVulnerability information updated.

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.

• CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.