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CVE-2021-22356


There is a weak secure algorithm vulnerability in Huawei products. A weak secure algorithm is used in a module. Attackers can exploit this vulnerability by capturing and analyzing the messages between devices to obtain information. This can lead to information leak.Affected product versions include: IPS Module V500R005C00SPC100, V500R005C00SPC200; NGFW Module V500R005C00SPC100, V500R005C00SPC200; Secospace USG6300 V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200; Secospace USG6500 V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200; Secospace USG6600 V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200; USG9500 V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.9, indicating it can be exploited remotely over the network but requires specific conditions to be met without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 12 products from huawei, from huawei, from huawei and 9 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

2021-11-23T16:15:08.633

Last Modified

2024-11-21T05:49:58.060

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.9 (MEDIUM)

CVSSv2 Vector

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

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

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-327

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System huawei ips_module_firmware v500r005c00spc100 Yes
Operating System huawei ips_module_firmware v500r005c00spc200 Yes
Hardware huawei ips_module - No
Operating System huawei ngfw_module_firmware v500r005c00spc100 Yes
Operating System huawei ngfw_module_firmware v500r005c00spc200 Yes
Hardware huawei ngfw_module - No
Operating System huawei secospace_usg6300_firmware v500r001c30spc200 Yes
Operating System huawei secospace_usg6300_firmware v500r001c30spc600 Yes
Operating System huawei secospace_usg6300_firmware v500r001c60spc500 Yes
Operating System huawei secospace_usg6300_firmware v500r005c00spc100 Yes
Operating System huawei secospace_usg6300_firmware v500r005c00spc200 Yes
Hardware huawei secospace_usg6300 - No
Operating System huawei secospace_usg6500_firmware v500r001c30spc200 Yes
Operating System huawei secospace_usg6500_firmware v500r001c30spc600 Yes
Operating System huawei secospace_usg6500_firmware v500r001c60spc500 Yes
Operating System huawei secospace_usg6500_firmware v500r005c00spc100 Yes
Operating System huawei secospace_usg6500_firmware v500r005c00spc200 Yes
Hardware huawei secospace_usg6500 - No
Operating System huawei secospace_usg6600_firmware v500r001c30spc200 Yes
Operating System huawei secospace_usg6600_firmware v500r001c30spc600 Yes
Operating System huawei secospace_usg6600_firmware v500r001c60spc500 Yes
Operating System huawei secospace_usg6600_firmware v500r005c00spc100 Yes
Operating System huawei secospace_usg6600_firmware v500r005c00spc200 Yes
Hardware huawei secospace_usg6600 - No
Operating System huawei usg9500_firmware v500r001c30spc200 Yes
Operating System huawei usg9500_firmware v500r001c30spc600 Yes
Operating System huawei usg9500_firmware v500r001c60spc500 Yes
Operating System huawei usg9500_firmware v500r005c00spc100 Yes
Operating System huawei usg9500_firmware v500r005c00spc200 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.