CVE-2021-1466

Summary

A vulnerability in the vDaemon service of Cisco SD-WAN vManage Software could allow an authenticated, local attacker to cause a buffer overflow on an affected system, resulting in a denial of service (DoS) condition. The vulnerability is due to incomplete bounds checks for data that is provided to the vDaemon service of an affected system. An attacker could exploit this vulnerability by sending malicious data to the vDaemon listening service on the affected system. A successful exploit could allow the attacker to cause a buffer overflow condition on the affected system, which could allow the attacker to cause the vDaemon listening service to reload and result in a DoS condition.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Catalyst SD-WAN Manager19.2.1affected
CiscoCisco Catalyst SD-WAN Manager18.4.4affected
CiscoCisco Catalyst SD-WAN Manager20.1.1.1affected
CiscoCisco Catalyst SD-WAN Manager20.1.1affected
CiscoCisco Catalyst SD-WAN Manager19.3.0affected
CiscoCisco Catalyst SD-WAN Manager19.2.2affected
CiscoCisco Catalyst SD-WAN Manager19.2.099affected
CiscoCisco Catalyst SD-WAN Manager18.3.6affected
CiscoCisco Catalyst SD-WAN Manager18.3.7affected
CiscoCisco Catalyst SD-WAN Manager19.2.0affected
CiscoCisco Catalyst SD-WAN Manager18.3.8affected
CiscoCisco Catalyst SD-WAN Manager19.0.0affected
CiscoCisco Catalyst SD-WAN Manager19.1.0affected
CiscoCisco Catalyst SD-WAN Manager18.4.302affected
CiscoCisco Catalyst SD-WAN Manager18.4.303affected
CiscoCisco Catalyst SD-WAN Manager19.2.097affected
CiscoCisco Catalyst SD-WAN Manager19.2.098affected
CiscoCisco Catalyst SD-WAN Manager17.2.10affected
CiscoCisco Catalyst SD-WAN Manager18.3.6.1affected
CiscoCisco Catalyst SD-WAN Manager19.0.1aaffected
CiscoCisco Catalyst SD-WAN Manager18.2.0affected
CiscoCisco Catalyst SD-WAN Manager18.4.3affected
CiscoCisco Catalyst SD-WAN Manager18.4.1affected
CiscoCisco Catalyst SD-WAN Manager17.2.8affected
CiscoCisco Catalyst SD-WAN Manager18.3.3.1affected
CiscoCisco Catalyst SD-WAN Manager18.4.0affected
CiscoCisco Catalyst SD-WAN Manager18.3.1affected
CiscoCisco Catalyst SD-WAN Manager17.2.6affected
CiscoCisco Catalyst SD-WAN Manager17.2.9affected
CiscoCisco Catalyst SD-WAN Manager18.3.4affected
CiscoCisco Catalyst SD-WAN Manager17.2.5affected
CiscoCisco Catalyst SD-WAN Manager18.3.1.1affected
CiscoCisco Catalyst SD-WAN Manager18.3.5affected
CiscoCisco Catalyst SD-WAN Manager18.4.0.1affected
CiscoCisco Catalyst SD-WAN Manager18.3.3affected
CiscoCisco Catalyst SD-WAN Manager17.2.7affected
CiscoCisco Catalyst SD-WAN Manager17.2.4affected
CiscoCisco Catalyst SD-WAN Manager18.3.0affected

Weaknesses

  • CWE-20: Improper Input Validation

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References