CVE-2020-26066

Summary

A vulnerability in the web UI of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to gain read and write access to information that is stored on an affected system. The vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing certain XML files. An attacker could exploit this vulnerability by persuading a user to import a crafted XML file with malicious entries. A successful exploit could allow the attacker to read and write files within the affected application.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 Manager19.2.929affected
CiscoCisco Catalyst SD-WAN Manager19.2.31affected

Weaknesses

  • CWE-611: Improper Restriction of XML External Entity Reference

ADP Enrichment

CISA ADP Vulnrichment

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

References