Cisco IOS, IOS XR, and IOS XE known exploited vulnerabilities
We track 3 CVEs in Cisco IOS, IOS XR, and 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-2016-6415, added to KEV on .
Also listed as: IOS, XR, and XE Software. CISA, NVD and vendor advisories name the same product differently; each CVE page keeps the wording from its source.
- CVEs tracked
- 3
- On CISA KEV
- 3
- Ransomware use
- 0
- Rated critical
- 0
Every Cisco IOS, IOS XR, and IOS XE CVE we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV | Patch by |
|---|---|---|---|---|---|
| CVE-2016-6415 Cisco IOS, IOS XR, and IOS XE IKEv1 Information Disclosure Vulnerability | [ HIGH ] | 7.5 | 87.7% | ||
| CVE-2018-0175 Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability | [ HIGH ] | 8.0 | 3.5% | ||
| CVE-2018-0167 Cisco IOS, XR, and XE Software Buffer Overflow Vulnerability | [ HIGH ] | 8.8 | 3.4% |
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.