8.6
High
CVE-2021-1288 Multiple vulnerabilities in the ingress packet processing function of Cisco IOS XR Software could allow an…
Description
Multiple vulnerabilities in the ingress packet processing function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco IOS XR Software | Versions not published |
Other CVEs of Cisco IOS XR Software
The 115 CVEs of Cisco IOS XR Software →
CVE-2026-76505
A vulnerability in the IPv4 packet processing functionality of Cisco IOS XR Software that affects Cisco ASR 9000 and…
7.5
High
CVE-2026-20278
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering…
8.8
High
CVE-2026-20280
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software…
8.8
High
CVE-2026-20279
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering…
9.8
Critical