Metrics
No CVSS v4.0
Attack Vector Adjacent Network
Attack Complexity Low
Privileges Required None
Scope Changed
Confidentiality Impact None
Integrity Impact Low
Availability Impact None
User Interaction None
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
The EPSS score is 0.00146.
Exploitation none
Automatable no
Technical Impact partial
Affected Vendors & Products
| Vendors | Products |
|---|---|
|
Cisco
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No data.
No data.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2021-14591 | Layer 2 network filtering capabilities such as IPv6 RA guard or ARP inspection can be bypassed using combinations of VLAN 0 headers and LLC/SNAP headers. |
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Tue, 04 Nov 2025 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Wed, 21 May 2025 16:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Projects
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Status: PUBLISHED
Assigner: certcc
Published:
Updated: 2025-11-04T19:12:25.432Z
Reserved: 2021-03-01T00:00:00.000Z
Link: CVE-2021-27853
Updated: 2025-11-04T19:12:25.432Z
Status : Modified
Published: 2022-09-27T18:15:09.527
Modified: 2025-11-04T20:15:59.233
Link: CVE-2021-27853
OpenCVE Enrichment
No data.
EUVD