Resource allocation without limits in USG9500
Priority LOW 23CWE-770Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-770.
Summary
There is a resource management error vulnerability in the verisions V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200 of USG9500. An authentication attacker needs to perform specific operations to exploit the vulnerability on the affected device. Due to improper resource management of the function, the vulnerability can be exploited to cause service abnormal on affected devices.
Why it matters now
EPSS 0.0064 50th 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 | V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200 | — | No fix listed | CNA |
- USG9500 Vendor— Affected V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:huawei:usg9500_firmware:v500r001c60spc500:*:*:*:*:*:*:* | v500r001c60spc500 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:usg9500_firmware:v500r005c00spc100:*:*:*:*:*:*:* | v500r005c00spc100 | 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:usg9500_firmware:v500r001c60spc500:*:*:*:*:*:*:* Versions v500r001c60spc500 Vulnerable ·Huawei
- cpe:2.3:o:huawei:usg9500_firmware:v500r005c00spc100:*:*:*:*:*:*:* Versions v500r005c00spc100 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22360
- 2026-10-03 Alias added: GHSA-2p54-cq77-wrjr
- 2026-10-23 EPSS moved to the 50th–90th percentile
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-2021-22360 · CVE Program
- CVE-2021-22360 · NVD
- FIRST EPSS
- GHSA-2p54-cq77-wrjr · 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