CVE-2020-3569

Description

Multiple vulnerabilities in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to either immediately crash the Internet Group Management Protocol (IGMP) process or make it consume available memory and eventually crash. The memory consumption may negatively impact other processes that are running on the device. These vulnerabilities are due to the incorrect handling of IGMP packets. An attacker could exploit these vulnerabilities by sending crafted IGMP traffic to an affected device. A successful exploit could allow the attacker to immediately crash the IGMP process or cause memory exhaustion, resulting in other processes becoming unstable. These processes may include, but are not limited to, interior and exterior routing protocols. Cisco will release software updates that address these vulnerabilities.

Risk Information

Base Score
8.6
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS Score
Exploitation Probability
5.554

Associated Vulnerability

VulnerabilityOS Platform
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities For Cisco ASR 9000 Series Aggregation Services RoutersNCM
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities For Cisco Network Convergence System 6000 Series RoutersNCM
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities For Cisco Network Convergence System 4000 SeriesNCM
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities For Cisco IOS XRv 9000 RouterNCM
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities For Cisco Network Convergence System 5000 SeriesNCM
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities For Cisco Network Convergence System 5500 SeriesNCM
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities For Cisco Network Convergence System 1000 SeriesNCM
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities For Cisco Network Convergence System 500 Series RoutersNCM
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities For Cisco 8000 Series RoutersNCM
Allocation of Resources Without Limits or Throttling Vulnerability (CVE-2020-3569)NCM

Patch Details

Click to see the patches provided by ManageEngine for this CVE
Patch IDPatch Description
PATCH-1705564Security Update for Cisco ASR 9000 Series Aggregation Services Routers 5.3.0.1i.BASE
PATCH-1705630Security Update for Cisco Network Convergence System 6000 Series Routers 6.1.4
PATCH-1705272Security Update for Cisco Network Convergence System 4000 Series 7.2.2
PATCH-1705219Security Update for Cisco IOS XRv 9000 Router 7.1.2.1i.BASE
PATCH-1706021Security Update for Cisco Network Convergence System 5000 Series 6.2.1.21i.BASE
PATCH-1705220Security Update for Cisco Network Convergence System 5500 Series 7.1.2.1i.BASE
PATCH-1705124Security Update for Cisco Network Convergence System 1000 Series 7.2.1.9i.ROUT
PATCH-1705229Security Update for Cisco Network Convergence System 500 Series Routers 7.2.1.21i.BASE
PATCH-1705230Security Update for Cisco 8000 Series Routers 7.2.1.21i.BASE

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234