Summary
Cisco IOS XR improperly validates string input from certain fields in Cisco Discovery Protocol messages. Exploitation could allow an unauthenticated, adjacent attacker to execute code with administrative privileges or cause a reload on an affected device.
- Vendor
- Cisco
- Product
- IOS XR
- Added to KEV
- Nov 3, 2021
- Remediation due
- May 3, 2022 (US federal deadline)
- Ransomware use
- Not known
- Weakness
- CWE-134
- EPSS
- 11.7% as of Nov 12
In the news
- No Asia-Pacific article names this CVE yet.
Linked
Actors named alongside it:
none
Incidents exploiting it:
- none recorded
References