CVE record · CVE-2021-1555

Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vulnerabilities

CVSS 4.7 MediumEPSS 0.017 · 76th percentile

Published by the CVE Program (CNA: cisco) at 22 May 2021, 06:40 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Cisco	Cisco Business Wireless Access Point Software	affected n/a

Identifiers: CVE-2021-1555
CNA: cisco
Weakness (CWE): CWE-77
Tags: Cisco Business Wireless Access Point Software
Command injection
Published: 22 May 2021
Updated: 8 Nov 2024

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
4.7	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L	CNA (cisco)

CISA KEV Not listed.
EPSS 0.017, the 76th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 22 May 2021. New records show when each source confirmed them.

Sources

References from the CNA

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-wap-inject-Mp9FSdG vendor-advisorycisco

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.