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Cisco IOS 11.x and 12.0 through 12.2 allows remote...

High severity Unreviewed Published Apr 29, 2022 to the GitHub Advisory Database • Updated Jan 30, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

Cisco IOS 11.x and 12.0 through 12.2 allows remote attackers to cause a denial of service (traffic block) by sending a particular sequence of IPv4 packets to an interface on the device, causing the input queue on that interface to be marked as full.

References

Published by the National Vulnerability Database Aug 18, 2003
Published to the GitHub Advisory Database Apr 29, 2022
Last updated Jan 30, 2023

Severity

High

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(96th percentile)

Weaknesses

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Learn more on MITRE.

CVE ID

CVE-2003-0567

GHSA ID

GHSA-c4c9-f467-hxxv

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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