CVE-2021-22377

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-06-22 · updated 2026-06-17
Weakness: CWE-20

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.

Affected products

Huawei S12700 Firmware: v200r019c00spc500
Huawei S2700 Firmware: v200r019c00spc500
Huawei S5700 Firmware: v200r019c00spc500
Huawei S6700 Firmware: v200r019c00spc500
Huawei S7700 Firmware: v200r019c00spc500

References

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

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