Buffer overflow in eSE620X vESS
Priority LOW 34CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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-120 and the CVSS impact.
Summary
There is a buffer overflow vulnerability in eSE620X vESS V100R001C10SPC200 and V100R001C20SPC200. An attacker can exploit this vulnerability by sending a specific message to the target device due to insufficient validation of packets. Successful exploit could cause a denial of service condition.
Why it matters now
EPSS 0.00691 53rd 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 |
|---|---|---|---|---|---|
| — | eSE620X vESS | V100R001C10SPC200,V100R001C20SPC200 | — | No fix listed | CNA |
- eSE620X vESS Vendor— Affected V100R001C10SPC200,V100R001C20SPC200 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:huawei:ese620x_vess_firmware:v100r001c10spc200:*:*:*:*:*:*:* | v100r001c10spc200 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:ese620x_vess_firmware:v100r001c20spc200:*:*:*:*:*:*:* | v100r001c20spc200 | Vulnerable | Huawei |
| cpe:2.3:h:huawei:ese620x_vess:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
- cpe:2.3:o:huawei:ese620x_vess_firmware:v100r001c10spc200:*:*:*:*:*:*:* Versions v100r001c10spc200 Vulnerable ·Huawei
- cpe:2.3:o:huawei:ese620x_vess_firmware:v100r001c20spc200:*:*:*:*:*:*:* Versions v100r001c20spc200 Vulnerable ·Huawei
- cpe:2.3:h:huawei:ese620x_vess:-:*:*:*:*:*:*:* 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-2021-39999
- 2026-10-03 Alias added: GHSA-cf47-5h63-vm9m
References
More Huawei Ese620x Vess Firmware vulnerabilities
- TI-2021-05369 Improper privilege management in eCNS280_TD;eSE620X vESS CVSS 3.1HIGH 7.8
- TI-2021-05334 There is an improper authorization vulnerability in eCNS280 V100R005C00, V100R005C10 and… CVSS 3.1HIGH 7.8
- TI-2021-17207 Out-of-bounds read in eCNS280_TD;eSE620X vESS CVSS 3.1MEDIUM 6.5
- TI-2021-05339 Out-of-bounds read in eSE620X vESS CVSS 3.1MEDIUM 5.5
- TI-2021-05356 Out-of-bounds read in eCNS280_TD;eSE620X vESS CVSS 3.1MEDIUM 4.9
- TI-2021-05338 Out-of-bounds read in eSE620X vESS CVSS 3.1LOW 3.3
Sources
- CVE-2021-39999 · CVE Program
- CVE-2021-39999 · NVD
- FIRST EPSS
- GHSA-cf47-5h63-vm9m · 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