Product / Cisco
Cisco IOS Software and Cisco IOS XE Software in CISA KEV
Answer CISA's KEV catalog lists 3 vulnerabilities in Cisco IOS Software and Cisco IOS XE Software as of catalog 2026.09.23, 3% of Cisco's 99 entries. First added 2022-03-03, latest 2022-03-03; 0 ransomware-linked.
- KEV entries
- 3
- Ransomware: known
- 00%
- First added
- 2022-03-03
- Latest added
- 2022-03-03
- Median days to due
- 14
- Open deadlines
- 0federal
TAdditions by year
| Year | Added |
|---|---|
| 2021 | 0 |
| 2022 | 3 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 0 |
| 2026 | 0 |
WWeaknesses
| CWE | Entries | Share |
|---|---|---|
| CWE-20 Improper input validation | 2 | 66.7% |
| CWE-399 Resource management errors (category) | 1 | 33.3% |
EAll entries
| CVE | Vulnerability | Added | Due | Ransomware | CWE |
|---|---|---|---|---|---|
| CVE-2018-0159 | Cisco IOS and XE Software Internet Key Exchange Version 1 Denial-of-Service Vulnerability | Unknown | CWE-20 | ||
| CVE-2018-0158 | Cisco IOS and XE Software Internet Key Exchange Memory Leak Vulnerability | Unknown | CWE-20 | ||
| CVE-2018-0156 | Cisco IOS Software and Cisco IOS XE Software Smart Install Denial-of-Service Vulnerability | Unknown | CWE-399 |
Cite this
CISA's KEV catalog lists 3 vulnerabilities in Cisco IOS Software and Cisco IOS XE Software. Source: Telemetry analysis of the CISA Known Exploited Vulnerabilities catalog, version 2026.09.23 (released 2026-09-23). https://glide-telemetry.pages.dev/products/cisco-ios-software-and-cisco-ios-xe-software/
Source: CISA KEV catalog v2026.09.23, released 2026-09-23. Windows end 2026-09-23.