Cisco IOS XE known exploited vulnerabilities
We track 4 CVEs in Cisco IOS XE. All of them are on CISA's Known Exploited Vulnerabilities catalog, meaning CISA has evidence of exploitation in the wild (listed 2022–2023). The most recent is CVE-2023-20273, added to KEV on .
Also listed as: IOS XE Software · IOS XE Web UI. CISA, NVD and vendor advisories name the same product differently; each CVE page keeps the wording from its source.
- CVEs tracked
- 4
- On CISA KEV
- 4
- Ransomware use
- 0
- Rated critical
- 1
Every Cisco IOS XE CVE we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV | Patch by |
|---|---|---|---|---|---|
| CVE-2023-20273 Cisco IOS XE Web UI Command Injection Vulnerability | [ HIGH ] | 7.2 | 93.0% | ||
| CVE-2023-20198 Cisco IOS XE Web UI Privilege Escalation Zero-Daywrite-up | [ CRITICAL ] | 10.0 | 99.6% | ||
| CVE-2018-0174 Cisco IOS Software and Cisco IOS XE Software Improper Input Validation Vulnerability | [ HIGH ] | 8.6 | 7.6% | ||
| CVE-2017-12319 Cisco IOS XE Software Ethernet Virtual Private Network Border Gateway Protocol Denial-of-Service Vulnerability | [ MEDIUM ] | 5.9 | 5.2% |
Sorted by date added to KEV. Severity and CVSS as stated by NVD or the vendor; EPSS from FIRST.org. "Patch by" is CISA's BOD 22-01 deadline for US federal agencies, a useful priority signal for everyone else. Machine-readable: /api/v1/vendors/cisco.json.
Other Cisco products
Every row links to its CVE record with the CISA required action, catalog coverage and primary sources. We describe impact and remediation only; no exploit code. See the full KEV tracker or compare KEV catalogs.