CVE-2020-3500: medium-severity vulnerability in Cisco ASR 5000 Series Software
Cisco StarOS IPv6 Denial of Service Vulnerability
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.8epss 1.6%
A vulnerability in the IPv6 implementation of Cisco StarOS could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient validation of incoming IPv6 traffic. An attacker could exploit this vulnerability by sending a crafted IPv6 packet to an affected device with the goal of reaching the vulnerable section of the input buffer. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. This vulnerability is specific to IPv6 traffic. IPv4 traffic is not affected.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
Affected products
Cisco · Cisco ASR 5000 Series SoftwareRelated CVEs — Cisco ASR 5000 Series Software
In the same product, most dangerous first.
CVE-2019-1869HIGHCisco StarOS Denial of Service VulnerabilityEPSS 2.6%CVE-2023-20046HIGHCVE-2023-20046EPSS 1.6%CVE-2021-1378MEDIUMCisco StarOS Denial of Service VulnerabilityEPSS 1.5%CVE-2019-16026MEDIUMCisco Mobility Management Entity Denial of Service VulnerabilityEPSS 1.4%CVE-2021-1353MEDIUMCisco StarOS IPv4 Denial of Service VulnerabilityEPSS 1.3%CVE-2021-1145MEDIUMCisco StarOS for Cisco ASR 5000 Series Routers Arbitrary File Read VulnerabilityEPSS 1.3%