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Vulnerability record · CVE-2021-22377 · published 22 June 2021

CVE-2021-22377: Huawei s12700 firmware improper input validation vulnerability

Huawei · S12700 Firmware

There is a command injection vulnerability in S12700 V200R019C00SPC500, S2700 V200R019C00SPC500, S5700 V200R019C00SPC500, S6700 V200R019C00SPC500 and S7700 V200R019C00SPC500. A module does not verify specific input sufficiently. Attackers can exploit this vulnerability by sending malicious parameters to inject command. This can compromise normal service.

7.2 CVSS 3.1 High EPSS 0.92% · top 40.5% CWE-20 · Improper input validation
7.2CVSS 3.1 base score, v2 6.5
0.92%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

There is a command injection vulnerability in S12700 V200R019C00SPC500, S2700 V200R019C00SPC500, S5700 V200R019C00SPC500, S6700 V200R019C00SPC500 and S7700 V200R019C00SPC500. A module does not verify specific input sufficiently. Attackers can exploit this vulnerability by sending malicious parameters to inject command. This can compromise normal service.

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

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210602-01-cmdinj-en Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210602-01-cmdinj-en Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-22377), CISA KEV, FIRST EPSS (scores of 2026-10-17). This page is refreshed as NVD updates the record.