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CVE-2023-45232

HIGHCVSS 7.5/10EPSS 2.10%

Last modified

CVE-2023-45232 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. EDK2's Network Package is susceptible to an infinite loop vulnerability when parsing unknown options in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Availability.. EPSS estimates a 2.10% chance of exploitation in the next 30 days.

Description

EDK2's Network Package is susceptible to an infinite loop vulnerability when parsing unknown options in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Availability.

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
2.10%

79.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
TianocoreEdk2<= 202311

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-45232?
EDK2's Network Package is susceptible to an infinite loop vulnerability when parsing unknown options in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Availability.
How severe is CVE-2023-45232?
CVE-2023-45232 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.10% probability of exploitation in the next 30 days.
How do I fix CVE-2023-45232?
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-2023-45232?

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

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Source: NVD / NIST