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High severity8.1NVD Advisory· Published Aug 4, 2023· Updated Jun 17, 2026

CVE-2020-26064

CVE-2020-26064

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

42
  • Cisco Systems, Inc./Catalyst SD-WAN Manager40 versions
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.10:*:*:*:*:*:*:*+ 39 more
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.10:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.4:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.5:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.6:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.7:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.8:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.9:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.2.0:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.0:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.1.1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.3.1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.3:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.4:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.5:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.6.1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.7:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.8:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.0.1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.0:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.302:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.303:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.3:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.4:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.5:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.1.0:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.097:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.099:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.0:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.2:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.31:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.3:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.929:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.3.0:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.1.1.1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.1.12:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.1.1:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.1:*:*:*:*:*:*:*
  • Cisco Systems, Inc./SD-WAN vManage Softwarellm-fuzzy
  • Cisco Systems, Inc./Sd Wan Vmanagecpe-rescue
    Range: 17.2.6

Patches

Vulnerability mechanics

References

1

News mentions

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