CVE-2020-3437
mediumpriority · track · 27EPSS 0.029 · 87 %ileEURUUSEPSS · scored 2026-10-27
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 filesystem of the device. The vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the filesystem and then accessing it through the web-based management interface. A successful exploit could allow the attacker to read arbitrary files from the filesystem of the underlying operating system.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No fix is available; mitigate or reduce exposure.
- No fix availableCisco SD-WAN vManagecisco_csaf
No remediation is available at this time.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- cisco-sa-vmanwebid-5QWMcCvtCisco SD-WAN vManage Software Information Disclosure Vulnerability2020-07-15csaf · cisco_csafUS
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 filesystem of the device. The vulnerability is due to insufficient file scope limiting. An attacker could exploit this vulnerability by creating a specific file reference on the filesystem and then accessing it through the web-based management interface. A successful exploit could allow the attacker to read arbitrary files from the filesystem of the underlying operating system. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanwebid-5QWMcCvt ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanwebid-5QWMcCvt"]
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- http://www.nsfocus.net/vulndb/47996cnnvd
- https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvt65026Patchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-3437cnnvd
- https://packetstormsecurity.com/files/162958/Cisco-SD-WAN-vManage-19.2.2-Remote-Root.htmlcnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanwebid-5QWMcCvtcnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.2424/cnnvd
- http://packetstormsecurity.com/files/162958/Cisco-SD-WAN-vManage-19.2.2-Remote-Root.htmlenisa_euvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanwebid-5QWMcCvtenisa_euvd
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