CVE-2021-22377

Name: CVE-2021-22377
Creator: NVD / NIST
Published: 2021-06-22T19:15:07.953+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 0.92%

Last modified Jun 17, 2026

CVE-2021-22377 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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. EPSS estimates a 0.92% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

0.92%

55.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

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

Timeline

Published: Jun 22, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22377?

How severe is CVE-2021-22377?

CVE-2021-22377 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22377?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-22377?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST