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CVE-2001-0864

UnknownEPSS 1.39%

Last modified

CVE-2001-0864 is a vulnerability of currently unknown severity. Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the implicit "deny ip any any" rule in an outgoing ACL when the ACL contains exactly 448 entries, which can allow some outgoing packets to bypass access restrictions.. EPSS estimates a 1.39% chance of exploitation in the next 30 days.

Description

Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the implicit "deny ip any any" rule in an outgoing ACL when the ACL contains exactly 448 entries, which can allow some outgoing packets to bypass access restrictions.

Metrics

EPSS Probability
1.39%

68.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
Cisco12000 RouterAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2001-0864?
Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the implicit "deny ip any any" rule in an outgoing ACL when the ACL contains exactly 448 entries, which can allow some outgoing packets to bypass access restrictions.
How severe is CVE-2001-0864?
Severity scoring for CVE-2001-0864 is pending analysis. The EPSS model estimates a 1.39% probability of exploitation in the next 30 days.
How do I fix CVE-2001-0864?
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.

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Source: NVD / NIST