Is CVE-2001-1387 in the CISA KEV catalog?

No. CVE-2001-1387 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2001-1387?

CVE-2001-1387 has a CVSS v2 base score of 2.1 (LOW).

What is the EPSS score for CVE-2001-1387?

CVE-2001-1387 has an EPSS score of 0.40% (32th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2001-1387?

Upgrade iptables to 1.2.4 or later.

CVE & CISA-KEV Catalog

CVE-2001-1387

LOW

2.1

CVSS v2

NVD

Description

iptables-save in iptables before 1.2.4 records the "--reject-with icmp-host-prohibited" rule as "--reject-with tcp-reset," which causes iptables to generate different responses than specified by the administrator, possibly leading to an information leak.

CWE-203

How to fix

Remediation Available

iptablesNVD

Affected:< 1.2.4Fixed in:1.2.4CVE-2001-1387derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.40%probability of exploitation in 30 days

32ndpercentile

Low risk: more likely to be exploited than 32% of all known CVEs.

References

Exploit1

bugzilla.redhat.com

Other references1

rhn.redhat.com

Related Vulnerabilities

Other CWE-203 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-5753	Medium	5.6	94%	-	Fix
CVE-2003-0190	Medium	5.0	77%	-	Fix
CVE-2017-5715	Medium	5.6	74%	-	Fix
CVE-2018-3639	Medium	5.5	61%	-	Fix
CVE-2023-28770	High	7.5	58%	-	Fix
CVE-2004-1602	Medium	5.0	31%	-	-

Embed a live status badge for CVE-2001-1387

Markdown

[![CVE-2001-1387](https://tridentstack.com/cve/badge/CVE-2001-1387.svg)](https://tridentstack.com/cve/CVE-2001-1387)

HTML

<a href="https://tridentstack.com/cve/CVE-2001-1387"><img src="https://tridentstack.com/cve/badge/CVE-2001-1387.svg" alt="CVE-2001-1387"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.