Cisco Cisco IOS XE Software

productEU

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

by severity
8critical114high78medium0low
updated 2026-10-27
01

vulnerabilities (272)

Related CVEs.

IDseverity exploitable
CVE-2023-20198UScritical10.0OT criticalKEV
CVE-2023-20273UShigh7.2OT criticalKEV
CVE-2025-20352US—OT criticalKEV
CVE-2017-6743UShigh8.8OT criticalKEV
CVE-2017-6738UShigh8.8OT criticalKEV
CVE-2023-20109USmedium6.6OT criticalKEV
CVE-2021-3449USmedium5.9Exploit
CVE-2019-12624UShigh8.8Exploit
CVE-2019-1759USmedium5.3Exploit
CVE-2024-20467UShigh8.6Exploit
CVE-2021-34767UShigh7.4Exploit
CVE-2019-1749UShigh7.4Exploit
CVE-2021-1384UShigh7.2—
CVE-2025-20188US—OT elevated—
CVE-2018-0476USmedium5.9—
CVE-2021-1435UShigh7.2—
CVE-2025-20363US——
CVE-2019-1862UShigh7.2—
CVE-2019-12643UScritical10.0—
CVE-2018-0470UShigh8.6—
CVE-2019-1753UShigh8.8—
CVE-2019-1756UShigh7.2—
CVE-2019-1754UShigh8.8—
CVE-2019-1755UShigh7.2—
CVE-2021-1451UScritical9.8—
CVE-2018-0469USmedium6.8—
CVE-2021-34770UScritical9.8—
CVE-2019-1741UShigh7.5—
CVE-2021-1443UShigh7.2—
CVE-2021-1433UShigh8.1—
CVE-2019-1742USmedium5.3—
CVE-2019-1743UShigh8.8—
CVE-2019-1760USmedium5.9—
CVE-2019-12653UShigh7.5—
CVE-2019-12646UShigh7.5—
CVE-2020-3421UShigh7.5—
CVE-2021-1274UShigh8.6—
CVE-2018-0164UShigh8.6—
CVE-2019-12663UShigh8.6—
CVE-2021-1619UScritical9.1—
CVE-2023-20066USmedium6.5—
CVE-2018-0131USmedium5.9—
CVE-2021-1278UShigh7.5—
CVE-2020-3516USmedium4.3—
CVE-2021-1431UShigh7.5—
CVE-2022-20693UShigh7.2—
CVE-2021-1446UShigh7.5—
CVE-2021-1373UShigh8.6—
CVE-2020-3407UShigh8.6—
CVE-2020-3359UShigh8.6—
showing 50 of 272
02

weaknesses (8)

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

  • CWE-20Improper Input Validation45 CVEs
  • CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')25 CVEs
  • CWE-399CWE-39916 CVEs
  • CWE-284Improper Access Control13 CVEs
  • CWE-400Uncontrolled Resource Consumption12 CVEs
  • CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer11 CVEs
  • CWE-269Improper Privilege Management10 CVEs
  • CWE-805Buffer Access with Incorrect Length Value10 CVEs
03

sources (3)

Which sources assert this record, and when.

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