CVE-2021-28505

On affected Arista EOS platforms, if a VXLAN match rule exists in an IPv4 access-list that is applied to the ingress of an L2 or an L3 port/SVI, the VXLAN rule and subsequent ACL rules in that access list will ignore the specified IP protocol.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://www.arista.com/en/support/advisories-notices/security-advisories/15267-security-advisory-0073	Exploit Vendor Advisory

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Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:arista:eos::::::::
	cpe:2.3:o:arista:eos::::::::

OR	cpe:2.3:h:arista:ccs-710p-12:-:::::::*
	cpe:2.3:h:arista:ccs-710p-16p:-:::::::*
	cpe:2.3:h:arista:ccs-720xp-24y6:-:::::::*
	cpe:2.3:h:arista:ccs-720xp-24zy4:-:::::::*
	cpe:2.3:h:arista:ccs-720xp-48y6:-:::::::*
	cpe:2.3:h:arista:ccs-720xp-48zc2:-:::::::*
	cpe:2.3:h:arista:ccs-720xp-96zc2:-:::::::*
	cpe:2.3:h:arista:ccs-722xpm-48y4:-:::::::*
	cpe:2.3:h:arista:ccs-722xpm-48zy8:-:::::::*
	cpe:2.3:h:arista:dcs-7010tx-48:-:::::::*
	cpe:2.3:h:arista:dcs-7050cx3-32s:-:::::::*
	cpe:2.3:h:arista:dcs-7050cx3m-32s:-:::::::*
	cpe:2.3:h:arista:dcs-7050sx3-48c8:-:::::::*
	cpe:2.3:h:arista:dcs-7050sx3-48yc12:-:::::::*
	cpe:2.3:h:arista:dcs-7050sx3-48yc8:-:::::::*
	cpe:2.3:h:arista:dcs-7050sx3-96yc8:-:::::::*
	cpe:2.3:h:arista:dcs-7050tx3-48c8:-:::::::*

Information

Published : 2022-04-14 14:15

Updated : 2022-04-26 10:09

NVD link : CVE-2021-28505

Mitre link : CVE-2021-28505

JSON object : View

CWE

CWE-863

Incorrect Authorization

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Products Affected

arista

ccs-720xp-24zy4
ccs-710p-12
dcs-7050tx3-48c8
ccs-720xp-96zc2
dcs-7050sx3-48yc8
dcs-7010tx-48
dcs-7050cx3m-32s
dcs-7050sx3-96yc8
eos
ccs-720xp-48zc2
dcs-7050cx3-32s
ccs-720xp-48y6
ccs-722xpm-48zy8
ccs-710p-16p
dcs-7050sx3-48c8
ccs-720xp-24y6
ccs-722xpm-48y4
dcs-7050sx3-48yc12

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