CVE-2021-1491

Summary

A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to read arbitrary files on the underlying file system of the device. This vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the file system and then accessing it through the web-based management interface. A successful exploit could allow the attacker to read arbitrary files from the file system of the underlying operating system.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 Manager20.1.12affected
CiscoCisco Catalyst SD-WAN Manager19.2.1affected
CiscoCisco Catalyst SD-WAN Manager18.4.4affected
CiscoCisco Catalyst SD-WAN Manager18.4.5affected
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
CiscoCisco Catalyst SD-WAN Manager19.2.3affected
CiscoCisco Catalyst SD-WAN Manager18.4.501_ESaffected
CiscoCisco Catalyst SD-WAN Manager20.3.1affected
CiscoCisco Catalyst SD-WAN Manager20.1.2affected
CiscoCisco Catalyst SD-WAN Manager19.2.929affected
CiscoCisco Catalyst SD-WAN Manager19.2.31affected
CiscoCisco Catalyst SD-WAN Manager20.3.2affected
CiscoCisco Catalyst SD-WAN Manager19.2.32affected
CiscoCisco Catalyst SD-WAN Manager20.3.2_925affected
CiscoCisco Catalyst SD-WAN Manager20.3.2.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.2.1_927affected
CiscoCisco Catalyst SD-WAN Manager18.4.6affected
CiscoCisco Catalyst SD-WAN Manager20.1.2_937affected
CiscoCisco Catalyst SD-WAN Manager20.4.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.2_928affected
CiscoCisco Catalyst SD-WAN Manager20.3.2_929affected
CiscoCisco Catalyst SD-WAN Manager20.4.1.0.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.2.1_930affected
CiscoCisco Catalyst SD-WAN Manager19.2.4affected
CiscoCisco Catalyst SD-WAN Manager20.4.1.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.3affected
CiscoCisco Catalyst SD-WAN Manager19.2.4.0.1affected
CiscoCisco Catalyst SD-WAN Manager20.3.2_937affected

Weaknesses

  • CWE-59: Improper Link Resolution Before File Access ('Link Following')

ADP Enrichment

CISA ADP Vulnrichment

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

References