CVE-2001-1558

Name: CVE-2001-1558
Creator: NVD / NIST
Published: 2001-12-31T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.07%

Last modified Jun 16, 2026

CVE-2001-1558 is a vulnerability of currently unknown severity. Unknown vulnerability in IP defragmenter (frag2) in Snort before 1.8.3 allows attackers to cause a denial of service (crash).. EPSS estimates a 1.07% chance of exploitation in the next 30 days.

Description

Unknown vulnerability in IP defragmenter (frag2) in Snort before 1.8.3 allows attackers to cause a denial of service (crash).

Metrics

EPSS Probability

1.07%

60.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Snort	Snort	1.8.0
Snort	Snort	1.8.1
Snort	Snort	1.8.2

References

Timeline

Published: Dec 31, 2001
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2001-1558?

Unknown vulnerability in IP defragmenter (frag2) in Snort before 1.8.3 allows attackers to cause a denial of service (crash).

How severe is CVE-2001-1558?

Severity scoring for CVE-2001-1558 is pending analysis. The EPSS model estimates a 1.07% probability of exploitation in the next 30 days.

How do I fix CVE-2001-1558?

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-2001-1558?

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

Scan your code now

Source: NVD / NIST