CVE-2021-36320
Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an authentication bypass...
Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an authentication bypass vulnerability. A remote unauthenticated attacker may potentially hijack a session and access the webserver by forging the session ID.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an authentication bypass vulnerability. A remote unauthenticated attacker may potentially hijack a session and access the webserver by forging the session ID.
- Record
CVE-2021-36320- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-331
- Updated
- 2026-11-02
EUVDEUVD-2021-22940
Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an authentication bypass vulnerability. A remote unauthenticated attacker may potentially hijack a session and access the webserver by forging the session ID.
- Record
EUVD-2021-22940- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wv95-5rrj-gjm9
Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an authentication bypass...
Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an authentication bypass vulnerability. A remote unauthenticated attacker may potentially hijack a session and access the webserver by forging the session ID.
- Record
GHSA-wv95-5rrj-gjm9- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-331
- Updated
- 2026-11-02
NVD
Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an authentication bypass vulnerability. A remote unauthenticated attacker may potentially hijack a session and access the webserver by forging the session ID.
- Record
CVE-2021-36320- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-331
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-36320 is a high vulnerability (CVSS 7.5) in Dell Networking X-series, published November 20, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.19%, the 68th percentile. No source names a fixed version.