CVE-2020-3228

High

Description

A vulnerability in Security Group Tag Exchange Protocol (SXP) in Cisco IOS Software, Cisco IOS XE Software, and Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability exists because crafted SXP packets are mishandled. An attacker could exploit this vulnerability by sending specifically crafted SXP packets to the affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.

SeverityHigh
CVSS8.6
Exploit probability—
ProductCisco Nx-os
PublishedJun 3, 2020
First seenJun 3, 2020

How to fix

Affected products

ProductAffected versionsFixed in
cisco ios12.2\(6\)i1, 15.1\(1\)sy, 15.1\(1\)sy1, 15.1\(1\)sy2, 15.1\(1\)sy3, 15.1\(1\)sy4, 15.1\(1\)sy5, 15.1\(1\)sy6, 15.1\(2\)sy, 15.1\(2\)sy1, 15.1\(2\)sy2, 15.1\(2\)sy3, 15.1\(2\)sy4, 15.1\(2\)sy4a, 15.1\(2\)sy5, 15.1\(2\)sy6, 15.1\(2\)sy7, 15.1\(2\)sy8, 15.1\(2\)sy9, 15.1\(2\)sy10, 15.1\(2\)sy11, 15.1\(2\)sy12, 15.1\(2\)sy13, 15.1\(2\)sy14, 15.2\(1\)e, 15.2\(1\)e1, 15.2\(1\)e2, 15.2\(1\)e3, 15.2\(1\)ey, 15.2\(1\)sy, 15.2\(1\)sy0a, 15.2\(1\)sy1, 15.2\(1\)sy1a, 15.2\(1\)sy2, 15.2\(1\)sy3, 15.2\(1\)sy4, 15.2\(1\)sy5, 15.2\(1\)sy6, 15.2\(1\)sy7, 15.2\(1\)sy8, 15.2\(2\)e, 15.2\(2\)e1, 15.2\(2\)e2, 15.2\(2\)e3, 15.2\(2\)e4, 15.2\(2\)e5, 15.2\(2\)e5a, 15.2\(2\)e5b, 15.2\(2\)e6, 15.2\(2\)e7, 15.2\(2\)e7b, 15.2\(2\)e8, 15.2\(2\)e9, 15.2\(2\)e9a, 15.2\(2\)e10, 15.2\(2\)ea, 15.2\(2\)ea1, 15.2\(2\)ea2, 15.2\(2\)ea3, 15.2\(2\)eb, 15.2\(2\)eb1, 15.2\(2\)eb2, 15.2\(2\)sy, 15.2\(2\)sy1, 15.2\(2\)sy2, 15.2\(2\)sy3, 15.2\(2a\)e1, 15.2\(2a\)e2, 15.2\(2b\)e, 15.2\(3\)e, 15.2\(3\)e1, 15.2\(3\)e2, 15.2\(3\)e3, 15.2\(3\)e4, 15.2\(3\)e5, 15.2\(3\)ea, 15.2\(3a\)e, 15.2\(3m\)e2, 15.2\(3m\)e7, 15.2\(3m\)e8, 15.2\(4\)e, 15.2\(4\)e1, 15.2\(4\)e2, 15.2\(4\)e3, 15.2\(4\)e4, 15.2\(4\)e5, 15.2\(4\)e5a, 15.2\(4\)e6, 15.2\(4\)e7, 15.2\(4\)e8, 15.2\(4\)ea, 15.2\(4\)ea1, 15.2\(4\)ea2, 15.2\(4\)ea3, 15.2\(4\)ea4, 15.2\(4\)ea5, 15.2\(4\)ea6, 15.2\(4\)ea7, 15.2\(4\)ea8, 15.2\(4\)ea9, 15.2\(4\)ec1, 15.2\(4\)ec2, 15.2\(4m\)e1, 15.2\(4m\)e2, 15.2\(4m\)e3, 15.2\(4n\)e2, 15.2\(4o\)e2, 15.2\(4o\)e3, 15.2\(4p\)e1, 15.2\(4q\)e1, 15.2\(4s\)e1, 15.2\(5\)e, 15.2\(5\)e1, 15.2\(5\)e2, 15.2\(5\)e2b, 15.2\(5\)e2c, 15.2\(5\)ea, 15.2\(5a\)e1, 15.2\(5b\)e, 15.2\(6\)e, 15.2\(6\)e0a, 15.2\(6\)e0c, 15.2\(6\)e1, 15.2\(6\)e1a, 15.2\(6\)e1s, 15.2\(6\)e2, 15.2\(6\)e2a, 15.2\(6\)e3, 15.2\(6\)e4, 15.2\(6\)eb, 15.2\(7\)e, 15.2\(7\)e0a, 15.2\(7\)e0b, 15.2\(7\)e0s, 15.3\(0\)sy, 15.3\(1\)sy, 15.3\(1\)sy1, 15.3\(1\)sy2, 15.3\(2\)t, 15.3\(2\)t1, 15.3\(2\)t2, 15.3\(2\)t3, 15.3\(2\)t4, 15.3\(3\)jaa1, 15.3\(3\)jpi, 15.3\(3\)jpj, 15.3\(3\)m, 15.3\(3\)m1, 15.3\(3\)m2, 15.3\(3\)m3, 15.3\(3\)m4, 15.3\(3\)m5, 15.3\(3\)m6, 15.3\(3\)m7, 15.3\(3\)m8, 15.3\(3\)m8a, 15.3\(3\)m9, 15.3\(3\)m10, 15.3\(3\)xb12, 15.4\(1\)cg1, 15.4\(1\)sy, 15.4\(1\)sy1, 15.4\(1\)sy2, 15.4\(1\)sy3, 15.4\(1\)sy4, 15.4\(1\)t, 15.4\(1\)t1, 15.4\(1\)t2, 15.4\(1\)t3, 15.4\(1\)t4, 15.4\(2\)t, 15.4\(2\)t1, 15.4\(2\)t2, 15.4\(2\)t3, 15.4\(2\)t4, 15.4\(3\)m, 15.4\(3\)m1, 15.4\(3\)m2, 15.4\(3\)m3, 15.4\(3\)m4, 15.4\(3\)m5, 15.4\(3\)m6, 15.4\(3\)m6a, 15.4\(3\)m7, 15.4\(3\)m7a, 15.4\(3\)m8, 15.4\(3\)m9, 15.4\(3\)m10, 15.5\(1\)sy, 15.5\(1\)sy1, 15.5\(1\)sy2, 15.5\(1\)sy3, 15.5\(1\)t, 15.5\(1\)t1, 15.5\(1\)t2, 15.5\(1\)t3, 15.5\(1\)t4, 15.5\(2\)t, 15.5\(2\)t1, 15.5\(2\)t2—

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