There is insecure algorithm vulnerability in Huawei products.
Priority LOW 34CWE-330Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
There is insecure algorithm vulnerability in Huawei products. A module uses less random input in a secure mechanism. Attackers can exploit this vulnerability by brute forcing to obtain sensitive message. This can lead to information leak. Affected product versions include:USG9500 versions V500R001C30SPC200, V500R001C60SPC500,V500R005C00SPC200;USG9520 versions V500R005C00;USG9560 versions V500R005C00;USG9580 versions V500R005C00.
Why it matters now
EPSS 0.00794 56th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | USG9500,USG9520,USG9560,USG9580 | V500R001C30SPC200,V500R001C60SPC500,V500R005C00SPC200; V500R005C00 | — | No fix listed | CNA |
- USG9500,USG9520,USG9560,USG9580 Vendor— Affected V500R001C30SPC200,V500R001C60SPC500,V500R005C00SPC200; V500R005C00 Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:huawei:usg9500_firmware:v500r001c30spc200:*:*:*:*:*:*:* | v500r001c30spc200 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:usg9500_firmware:v500r001c60spc500:*:*:*:*:*:*:* | v500r001c60spc500 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:usg9500_firmware:v500r005c00spc200:*:*:*:*:*:*:* | v500r005c00spc200 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:usg9500:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:usg9520_firmware:v500r005c00:*:*:*:*:*:*:* | v500r005c00 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:usg9520:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:usg9560_firmware:v500r005c00:*:*:*:*:*:*:* | v500r005c00 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:usg9560:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:usg9580_firmware:v500r005c00:*:*:*:*:*:*:* | v500r005c00 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:usg9580:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
- cpe:2.3:o:huawei:usg9500_firmware:v500r001c30spc200:*:*:*:*:*:*:* Versions v500r001c30spc200 Vulnerable ·Huawei
- cpe:2.3:o:huawei:usg9500_firmware:v500r001c60spc500:*:*:*:*:*:*:* Versions v500r001c60spc500 Vulnerable ·Huawei
- cpe:2.3:o:huawei:usg9500_firmware:v500r005c00spc200:*:*:*:*:*:*:* Versions v500r005c00spc200 Vulnerable ·Huawei
- cpe:2.3:h:huawei:usg9500:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:usg9520_firmware:v500r005c00:*:*:*:*:*:*:* Versions v500r005c00 Vulnerable ·Huawei
- cpe:2.3:h:huawei:usg9520:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:usg9560_firmware:v500r005c00:*:*:*:*:*:*:* Versions v500r005c00 Vulnerable ·Huawei
- cpe:2.3:h:huawei:usg9560:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:usg9580_firmware:v500r005c00:*:*:*:*:*:*:* Versions v500r005c00 Vulnerable ·Huawei
- cpe:2.3:h:huawei:usg9580:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22309
- 2026-10-03 Alias added: GHSA-3fcq-hfv4-xfg4
References
More Huawei Usg9500 Firmware vulnerabilities
- TI-2016-03941 Buffer overflow in the Application Specific Packet Filtering (ASPF) functionality in the… CVSS 3.0CRITICAL 9.8
- TI-2020-07310 Improper authentication in IPS Module; NGFW Module; NIP6300; NIP6600; NIP6800; Secospace… CVSS 3.1CRITICAL 9.8
- TI-2014-07414 Cross-site request forgery in USG9500,USG2100,USG2200,USG5100,USG5500, USG9500… CVSS 3.0HIGH 8.8
- TI-2014-07413 Cross-site request forgery in FusionManager FusionManager All V100R002C03 versions, All… CVSS 3.0HIGH 8.8
- TI-2020-01799 USG9500 with software of V500R001C30SPC100; V500R001C30SPC200; V500R001C30SPC600… CVSS 3.1HIGH 8.2
- TI-2017-11261 Improper input validation in Huawei IPS Module,NGFW Module,NIP6300,NIP6600,Secospace… CVSS 3.0HIGH 7.5
Sources
- CVE-2021-22309 · CVE Program
- CVE-2021-22309 · NVD
- FIRST EPSS
- GHSA-3fcq-hfv4-xfg4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences