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CVE-2015-0771

6.3 · MEDIUM

The IKE implementation in the WS-IPSEC-3 service module in Cisco IOS 12.2 on Catalyst 6500 devices allows remote authenticated users to cause a denial of service (device reload) by sending a crafte…

Published Jun 12, 2015ciscoCWE-399EPSS 2.40%

Overview

CVE-2015-0771 is a medium-severity vulnerability affecting cisco ios. It was published on June 12, 2015 and has a CVSS 2.0 base score of 6.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The IKE implementation in the WS-IPSEC-3 service module in Cisco IOS 12.2 on Catalyst 6500 devices allows remote authenticated users to cause a denial of service (device reload) by sending a crafted message during IPsec tunnel setup, aka Bug ID CSCur70505.

Remediation

Check the references section for vendor advisories and patches from cisco. Update ios to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

Frequently asked questions

What is CVE-2015-0771?

CVE-2015-0771 is a medium-severity vulnerability affecting cisco ios. It was published on June 12, 2015 and has a CVSS 2.0 base score of 6.3 (MEDIUM).

How severe is CVE-2015-0771?

This vulnerability has a CVSS 2.0 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2015-0771?

Check the references section for vendor advisories and patches from cisco. Update ios to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-0771?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-0771 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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