CVE-2021-22366
There is an out-of-bounds read vulnerability in eSE620X vESS V100R001C10SPC200, V100R001C20SPC200...
There is an out-of-bounds read vulnerability in eSE620X vESS V100R001C10SPC200, V100R001C20SPC200, V200R001C00SPC300. The vulnerability is due to a function that handles an internal message contains an out-of-bounds read vulnerability. An attacker could crafted messages between system process, successful exploit could cause Denial of Service (DoS).
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
There is an out-of-bounds read vulnerability in eSE620X vESS V100R001C10SPC200, V100R001C20SPC200, V200R001C00SPC300. The vulnerability is due to a function that handles an internal message contains an out-of-bounds read vulnerability. An attacker could crafted messages between system process, successful exploit could cause Denial of Service (DoS).
- Record
CVE-2021-22366- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
There is an out-of-bounds read vulnerability in eSE620X vESS V100R001C10SPC200, V100R001C20SPC200, V200R001C00SPC300. The vulnerability is due to a function that handles an internal message contains an out-of-bounds read vulnerability. An attacker could crafted messages between system process, successful exploit could cause Denial of Service (DoS).
- Record
CVE-2021-22366- Updated
- 2026-11-02
EUVDEUVD-2021-9512 No score
There is an out-of-bounds read vulnerability in eSE620X vESS V100R001C10SPC200, V100R001C20SPC200, V200R001C00SPC300. The vulnerability is due to a function that handles an internal message contains an out-of-bounds read vulnerability. An attacker could crafted messages between system process, successful exploit could cause Denial of Service (DoS).
- Record
EUVD-2021-9512- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-35fw-8rmc-f2j5 No score
There is an out-of-bounds read vulnerability in eSE620X vESS V100R001C10SPC200, V100R001C20SPC200...
There is an out-of-bounds read vulnerability in eSE620X vESS V100R001C10SPC200, V100R001C20SPC200, V200R001C00SPC300. The vulnerability is due to a function that handles an internal message contains an out-of-bounds read vulnerability. An attacker could crafted messages between system process, successful exploit could cause Denial of Service (DoS).
- Record
GHSA-35fw-8rmc-f2j5- Weakness
- CWE-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-22366 is a medium vulnerability (CVSS 5.5) in Huawei Ese620x Vess Firmware, published June 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 4th percentile. No source names a fixed version.