Cisco Cisco Small Business 200 Series Smart Switches

Name: Cisco Cisco Small Business 200 Series Smart Switches
Brand: Cisco

productEU

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

KEV-listed

by severity

1critical5high6medium0low

updated 2026-10-28

vulnerabilities (12)

Related CVEs.

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ID	severity	EPSS	exploitable	patched	published	affected
CVE-2019-15993US	medium5.3	10.3% (96th)	Exploit	no fix	2020-09-23	—
CVE-2020-3297US	critical9.8	3.04% (87th)	—	no fix	2020-07-02	2 versions
CVE-2020-3147US	high7.5	2.28% (83rd)	—	no fix	2020-01-30	—
CVE-2019-1859US	high7.2	0.84% (58th)	—	2.5.0.78	2019-05-03	3 versions
CVE-2019-12718US	medium6.1	0.80% (56th)	—	n/a	2019-10-16	2 versions
CVE-2019-12636US	high8.8	0.65% (51st)	—	no fix	2019-10-16	—
CVE-2021-34780US	high8.8	0.52% (44th)	—	no fix	2021-10-06	2 versions
CVE-2021-34779US	high8.8	0.52% (44th)	—	no fix	2021-10-06	2 versions
CVE-2021-34778US	medium4.3	0.41% (35th)	—	no fix	2021-10-06	2 versions
CVE-2021-34777US	medium4.3	0.41% (35th)	—	no fix	2021-10-06	≤ n/a
CVE-2021-34776US	medium4.3	0.41% (35th)	—	no fix	2021-10-06	≤ n/a
CVE-2021-34775US	medium4.3	0.41% (35th)	—	no fix	2021-10-06	≤ n/a

The flaw types (CWEs) most of these CVEs share.

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')6 CVEs
CWE-287Improper Authentication2 CVEs
CWE-16CWE-161 CVEs
CWE-20Improper Input Validation1 CVEs
CWE-285Improper Authorization1 CVEs
CWE-295Improper Certificate Validation1 CVEs
CWE-352Cross-Site Request Forgery (CSRF)1 CVEs
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')1 CVEs

Which sources assert this record, and when.

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