Cisco Systems Inc. Business 350 Series Managed Switches

Name: Cisco Systems Inc. Business 350 Series Managed Switches
Brand: Cisco Systems Inc.

productRU

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

KEV-listed

public exploit

by severity

8critical3high1medium0low

updated 2026-10-28

vulnerabilities (12)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2023-20189US	critical9.8	12.0% (96th)	—	no fix	2023-05-18	≤ 3.3.0.16
CVE-2023-20161US	critical9.8	11.1% (96th)	—	no fix	2023-05-18	2 versions
CVE-2023-20160US	critical9.8	11.1% (96th)	—	no fix	2023-05-18	≤ 3.3.0.16
CVE-2023-20159US	critical9.8	11.1% (96th)	—	no fix	2023-05-18	≤ 3.3.0.16
CVE-2021-34739US	high8.1	1.67% (77th)	—	no fix	2021-11-04	≤ 3.1.1.7
CVE-2023-20024US	high7.5	1.58% (75th)	—	no fix	2023-05-18	≤ 3.3.0.16
CVE-2023-20162US	critical9.8	1.51% (74th)	—	no fix	2023-05-18	≤ 3.3.0.16
CVE-2023-20158US	critical9.8	1.51% (74th)	—	no fix	2023-05-18	≤ 3.3.0.16
CVE-2023-20157US	critical9.8	1.51% (74th)	—	no fix	2023-05-18	≤ 3.3.0.16
CVE-2023-20156US	critical9.8	1.51% (74th)	—	no fix	2023-05-18	≤ 3.3.0.16
CVE-2021-27853US	medium4.7	0.81% (57th)	—	no fix	2022-09-27	—
CVE-2024-20263US	high7.2	0.45% (39th)	—	no fix	2024-01-26	≤ 3.4.0.17

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

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')9 CVEs
CWE-121Stack-based Buffer Overflow1 CVEs
CWE-122Heap-based Buffer Overflow1 CVEs
CWE-20Improper Input Validation1 CVEs
CWE-200Exposure of Sensitive Information to an Unauthorized Actor1 CVEs
CWE-284Improper Access Control1 CVEs
CWE-290Authentication Bypass by Spoofing1 CVEs
CWE-613Insufficient Session Expiration1 CVEs

Which sources assert this record, and when.

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