Strix
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CVE-2024-20311

HIGHCVSS 7.5/10EPSS 0.80%

Last modified

CVE-2024-20311 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability in the Locator ID Separation Protocol (LISP) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability is due to the incorrect handling of LISP packets. An attacker could exploit this vulnerability by sending a crafted LISP packet to an affected device. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

A vulnerability in the Locator ID Separation Protocol (LISP) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability is due to the incorrect handling of LISP packets. An attacker could exploit this vulnerability by sending a crafted LISP packet to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition. Note: This vulnerability could be exploited over either IPv4 or IPv6 transport.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
0.80%

52.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos15.1\(1\)sy
CiscoIos15.1\(1\)sy1
CiscoIos15.1\(1\)sy2
CiscoIos15.1\(1\)sy3
CiscoIos15.1\(1\)sy4
CiscoIos15.1\(1\)sy5
CiscoIos15.1\(1\)sy6
CiscoIos15.1\(1\)xb
CiscoIos15.1\(2\)s
CiscoIos15.1\(2\)s1
CiscoIos15.1\(2\)s2
CiscoIos15.1\(2\)sy
CiscoIos15.1\(2\)sy1
CiscoIos15.1\(2\)sy2
CiscoIos15.1\(2\)sy3
CiscoIos15.1\(2\)sy4
CiscoIos15.1\(2\)sy4a
CiscoIos15.1\(2\)sy5
CiscoIos15.1\(2\)sy6
CiscoIos15.1\(2\)sy7
CiscoIos15.1\(2\)sy8
CiscoIos15.1\(2\)sy9
CiscoIos15.1\(2\)sy10
CiscoIos15.1\(2\)sy11
CiscoIos15.1\(2\)sy12
CiscoIos15.1\(2\)sy13
CiscoIos15.1\(2\)sy14
CiscoIos15.1\(2\)sy15
CiscoIos15.1\(2\)sy16
CiscoIos15.1\(3\)mra
CiscoIos15.1\(3\)mra1
CiscoIos15.1\(3\)mra2
CiscoIos15.1\(3\)mra3
CiscoIos15.1\(3\)mra4
CiscoIos15.1\(3\)s
CiscoIos15.1\(3\)s0a
CiscoIos15.1\(3\)s1
CiscoIos15.1\(3\)s2
CiscoIos15.1\(3\)s3
CiscoIos15.1\(3\)s4
CiscoIos15.1\(3\)s5
CiscoIos15.1\(3\)s5a
CiscoIos15.1\(3\)s6
CiscoIos15.1\(3\)svb1
CiscoIos15.1\(3\)svb2
CiscoIos15.1\(3\)svd
CiscoIos15.1\(3\)svd1
CiscoIos15.1\(3\)svd2
CiscoIos15.1\(3\)sve
CiscoIos15.1\(3\)svf

Showing 50 of 708 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2024-20311?
A vulnerability in the Locator ID Separation Protocol (LISP) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. This vulnerability is due to the incorrect handling of LISP packets. An attacker could exploit this vulnerability by sending a crafted LISP packet to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition. Note: This vulnerability could be exploited over either IPv4 or IPv6 transport.
How severe is CVE-2024-20311?
CVE-2024-20311 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.
How do I fix CVE-2024-20311?
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-2024-20311?

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

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Source: NVD / NIST