CVE-2020-3198

CRITICAL

Cisco IOS - Remote Code Execution or Denial of Service

Title source: llm
STIX 2.1

Description

Multiple vulnerabilities in Cisco IOS Software for Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000) could allow an unauthenticated, remote attacker or an authenticated, local attacker to execute arbitrary code on an affected system or cause an affected system to crash and reload. For more information about these vulnerabilities, see the Details section of this advisory.

References (1)

Core 1
Core References

Scores

CVSS v3 9.8
EPSS 0.0932
EPSS Percentile 92.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-119 CWE-787
Status published
Products (50)
cisco/ios 12.2\(60\)ez16
cisco/ios 15.0\(2\)sg11a
cisco/ios 15.3\(3\)jaa1
cisco/ios 15.3\(3\)jpj
cisco/ios 15.4\(1\)cg
cisco/ios 15.4\(2\)cg
cisco/ios 15.4\(3\)m
cisco/ios 15.4\(3\)m1
cisco/ios 15.4\(3\)m2
cisco/ios 15.4\(3\)m3
... and 40 more
Published Jun 03, 2020
Tracked Since Feb 18, 2026