CVE-2021-1400
mediumpriority · track · 35EPSS 0.013 · 70 %ileEURUUSEPSS · scored 2026-10-28
Multiple vulnerabilities in the web-based management interface of certain Cisco Small Business 100, 300, and 500 Series Wireless Access Points could allow an authenticated, remote attacker to obtain sensitive information from or inject arbitrary commands on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedCisco Business Wireless Access Point Softwarecisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (14)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- cisco-sa-sb-wap-multi-ZAfKGXhFCisco Small Business 100, 300, and 500 Series Wireless Access Points Vulnerabilities2021-05-05csaf · cisco_csafUS
Multiple vulnerabilities in the web-based management interface of certain Cisco Small Business 100, 300, and 500 Series Wireless Access Points could allow an authenticated, remote attacker to obtain sensitive information from or inject arbitrary commands on an affected device. For more information about these vulnerabilities, see the Details ["#details"] section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-wap-multi-ZAfKGXhF ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-wap-multi-ZAfKGXhF"]
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- http://jvn.jp/en/jp/JVN71263107/index.htmlcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-1400cnnvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-wap-multi-ZAfKGXhFcnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.1555cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021050631cnnvd
- http://jvn.jp/en/jp/JVN71263107/index.htmlenisa_euvd
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-wap-multi-ZAfKGXhFenisa_euvd
- http://jvn.jp/en/jp/JVN71263107/index.htmlThird Party Advisorynvd
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