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CVE-2024-20313

HIGHCVSS 7.4/10EPSS 0.26%

Last modified

CVE-2024-20313 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A vulnerability in the OSPF version 2 (OSPFv2) feature of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper validation of OSPF updates that are processed by a device. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

A vulnerability in the OSPF version 2 (OSPFv2) feature of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper validation of OSPF updates that are processed by a device. An attacker could exploit this vulnerability by sending a malformed OSPF update to the device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.

Metrics

CVSS 3.1
7.4/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

EPSS Probability
0.26%

16.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos Xe17.5.1
CiscoIos Xe17.5.1a
CiscoIos Xe17.6.1
CiscoIos Xe17.6.1a
CiscoIos Xe17.6.1w
CiscoIos Xe17.6.1x
CiscoIos Xe17.6.1y
CiscoIos Xe17.6.1z
CiscoIos Xe17.6.1z1
CiscoIos Xe17.6.2
CiscoIos Xe17.6.3
CiscoIos Xe17.6.3a
CiscoIos Xe17.6.4
CiscoIos Xe17.6.5
CiscoIos Xe17.6.5a
CiscoIos Xe17.7.1
CiscoIos Xe17.7.1a
CiscoIos Xe17.7.1b
CiscoIos Xe17.7.2
CiscoIos Xe17.8.1
CiscoIos Xe17.8.1a
CiscoIos Xe17.9.1
CiscoIos Xe17.9.1a
CiscoIos Xe17.9.1w
CiscoIos Xe17.9.1x
CiscoIos Xe17.9.1x1
CiscoIos Xe17.9.1y
CiscoIos Xe17.9.1y1
CiscoIos Xe17.9.2
CiscoIos Xe17.9.2a
CiscoIos Xe17.9.3
CiscoIos Xe17.9.3a
CiscoIos Xe17.10.1
CiscoIos Xe17.10.1a
CiscoIos Xe17.10.1b
CiscoIos Xe17.11.1
CiscoIos Xe17.11.1a
CiscoIos Xe17.11.99sw

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2024-20313?
A vulnerability in the OSPF version 2 (OSPFv2) feature of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to improper validation of OSPF updates that are processed by a device. An attacker could exploit this vulnerability by sending a malformed OSPF update to the device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
How severe is CVE-2024-20313?
CVE-2024-20313 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2024-20313?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-20313?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST