The vulnerability of the Ethernet encapsulation protocol lies in its ability to combine headers, which allows attackers to trigger a service failure or execute a Middleware Interception Attack (MITM).
🗓️ 28 Sep 2022 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 11 Views
| Reporter | Title | Published | Views | Family All 18 |
|---|---|---|---|---|
 | Security Advisory 0080 | 27 Sep 202200:00 | – | arista |
 | CVE-2021-27853 | 27 Sep 202222:28 | – | circl |
 | Vulnerabilities in Layer 2 Network Security Controls Affecting Cisco Products: September 2022 | 27 Sep 202216:00 | – | cisco |
 | 多款Cisco产品安全漏洞 | 27 Sep 202200:00 | – | cnnvd |
 | CVE-2021-27853 | 27 Sep 202217:55 | – | cve |
 | CVE-2021-27853 L2 network filtering can be bypassed using stacked VLAN0 and LLC/SNAP headers | 27 Sep 202217:55 | – | cvelist |
 | EUVD-2021-14591 | 7 Oct 202500:30 | – | euvd |
 | K45012151: Layer 2 security bypass issue CVE-2021-27861, CVE-2021-27862, CVE-2021-27853, CVE-2021-27854 | 21 Feb 202318:54 | – | f5 |
 | SA45654 - Multiple OpenSSL Vulnerabilities in Layer 2 network filtering capabilities | 14 Feb 202307:22 | – | ivanti |
 | Researcher discovered vulnerabilities in Layer-2 managed switches | 28 Sep 202200:00 | – | ncsc |
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13 Sep 2024 00:00Current
5.6Medium risk
Vulners AI Score5.6
CVSS 23.3
CVSS 34.7
EPSS0.0071