CVE-2021-1288
First published: Thu Feb 04 2021(Updated: )
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.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS XR | >=5.0.0<5.2.6 | |
| Cisco IOS XR | >=5.3.0<5.3.4 | |
| Cisco IOS XR | >=6.0.0<6.0.2 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-1288?
CVE-2021-1288 is a vulnerability in the ingress packet processing function of Cisco IOS XR Software that allows an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
How does CVE-2021-1288 affect Cisco IOS XR Software?
CVE-2021-1288 affects Cisco IOS XR Software versions 5.0.0 to 5.2.6, 5.3.0 to 5.3.4, and 6.0.0 to 6.0.2.
What is the severity of CVE-2021-1288?
CVE-2021-1288 has a severity rating of 7.5 (high).
How can an attacker exploit CVE-2021-1288?
An unauthenticated, remote attacker can exploit CVE-2021-1288 by sending specially crafted packets to the affected device, causing it to enter a DoS condition.
Is there a fix for CVE-2021-1288?
Yes, Cisco has released software updates to address the vulnerability. Please refer to the Cisco Security Advisory for more information.
- collector/nvd-index
- vendor/cisco
- canonical/cisco ios xr
- version/cisco ios xr/5.0.0
- version/cisco ios xr/5.3.0
- version/cisco ios xr/6.0.0