Cisco Systems Inc. 1100 Series Integrated Services Routers

Name: Cisco Systems Inc. 1100 Series Integrated Services Routers
Brand: Cisco Systems Inc.

productRU

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

KEV-listed

public exploit

EPSS ≥ 10%

critical

by severity

0critical0high2medium0low

updated 2026-10-28

vulnerabilities (2)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2023-20056US	medium5.5	0.26% (17th)	—	no fix	2023-03-23	—
CVE-2022-20717US	medium5.5	0.20% (10th)	—	no fix	2022-04-15	2 versions

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

CWE-770Allocation of Resources Without Limits or Throttling1 CVEs
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')1 CVEs
CWE-789Memory Allocation with Excessive Size Value1 CVEs

Which sources assert this record, and when.

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