Vulnerability Monitor

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CVE-2021-22321

There is a use-after-free vulnerability in a Huawei product. A module cannot deal with specific operations in special scenarios. Attackers can exploit this vulnerability by performing malicious operations. This can cause memory use-after-free, compromising normal service. Affected product include some versions of NIP6300, NIP6600, NIP6800, S1700, S2700, S5700, S6700 , S7700, S9700, Secospace USG6300, Secospace USG6500, Secospace USG6600 and USG9500.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.3, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and limited availability for affected systems. Impacting 28 products from huawei, from huawei, from huawei and 25 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2021-03-22T20:15:17.613

Last Modified

2024-11-21T05:49:54.420

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-416
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System huawei nip6300_firmware v500r001c30 Yes
Operating System huawei nip6300_firmware v500r001c60 Yes
Hardware huawei nip6300 - No
Operating System huawei nip6600_firmware v500r001c30 Yes
Hardware huawei nip6600 - No
Operating System huawei nip6800_firmware v500r001c60 Yes
Hardware huawei nip6800 - No
Operating System huawei s12700_firmware v200r007c01 Yes
Operating System huawei s12700_firmware v200r007c01b102 Yes
Operating System huawei s12700_firmware v200r008c00 Yes
Operating System huawei s12700_firmware v200r010c00 Yes
Operating System huawei s12700_firmware v200r010c00spc300 Yes
Operating System huawei s12700_firmware v200r011c00 Yes
Operating System huawei s12700_firmware v200r011c00spc100 Yes
Operating System huawei s12700_firmware v200r011c10 Yes
Hardware huawei s12700 - No
Operating System huawei s1700_firmware v200r009c00spc200 Yes
Operating System huawei s1700_firmware v200r009c00spc500 Yes
Operating System huawei s1700_firmware v200r010c00 Yes
Operating System huawei s1700_firmware v200r010c00spc300 Yes
Operating System huawei s1700_firmware v200r011c00 Yes
Operating System huawei s1700_firmware v200r011c00spc100 Yes
Operating System huawei s1700_firmware v200r011c10 Yes
Hardware huawei s1700 - No
Operating System huawei s2700_firmware v200r008c00 Yes
Operating System huawei s2700_firmware v200r010c00 Yes
Operating System huawei s2700_firmware v200r010c00spc300 Yes
Operating System huawei s2700_firmware v200r011c00 Yes
Operating System huawei s2700_firmware v200r011c00spc100 Yes
Operating System huawei s2700_firmware v200r011c10 Yes
Hardware huawei s2700 - No
Operating System huawei s5700_firmware v200r008c00 Yes
Operating System huawei s5700_firmware v200r010c00 Yes
Operating System huawei s5700_firmware v200r010c00spc300 Yes
Operating System huawei s5700_firmware v200r011c00 Yes
Operating System huawei s5700_firmware v200r011c00spc100 Yes
Operating System huawei s5700_firmware v200r011c10 Yes
Operating System huawei s5700_firmware v200r011c10spc100 Yes
Hardware huawei s5700 - No
Operating System huawei s6700_firmware v200r008c00 Yes
Operating System huawei s6700_firmware v200r010c00 Yes
Operating System huawei s6700_firmware v200r010c00spc300 Yes
Operating System huawei s6700_firmware v200r011c00 Yes
Operating System huawei s6700_firmware v200r011c00spc100 Yes
Operating System huawei s6700_firmware v200r011c10 Yes
Operating System huawei s6700_firmware v200r011c10spc100 Yes
Hardware huawei s6700 - No
Operating System huawei s7700_firmware v200r008c00 Yes
Operating System huawei s7700_firmware v200r010c00 Yes
Operating System huawei s7700_firmware v200r010c00spc300 Yes
Operating System huawei s7700_firmware v200r011c00 Yes
Operating System huawei s7700_firmware v200r011c00spc100 Yes
Operating System huawei s7700_firmware v200r011c10 Yes
Hardware huawei s7700 - No
Operating System huawei s9700_firmware v200r007c01 Yes
Operating System huawei s9700_firmware v200r007c01b102 Yes
Operating System huawei s9700_firmware v200r008c00 Yes
Operating System huawei s9700_firmware v200r010c00 Yes
Operating System huawei s9700_firmware v200r010c00spc300 Yes
Operating System huawei s9700_firmware v200r011c00 Yes
Operating System huawei s9700_firmware v200r011c00spc100 Yes
Operating System huawei s9700_firmware v200r011c10 Yes
Hardware huawei s9700 - No
Operating System huawei secospace_usg6300_firmware v500r001c30 Yes
Operating System huawei secospace_usg6300_firmware v500r001c60 Yes
Hardware huawei secospace_usg6300 - No
Operating System huawei secospace_usg6500_firmware v500r001c30 Yes
Operating System huawei secospace_usg6500_firmware v500r001c60 Yes
Hardware huawei secospace_usg6500 - No
Operating System huawei secospace_usg6600_firmware v500r001c30 Yes
Operating System huawei secospace_usg6600_firmware v500r001c60 Yes
Hardware huawei secospace_usg6600 - No
Operating System huawei usg9500_firmware v500r001c30 Yes
Operating System huawei usg9500_firmware v500r001c60 Yes
Hardware huawei usg9500 - No
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For huawei's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.