CVE-2001-1387
iptables-save in iptables before 1.2.4 records the "--reject-with icmp-host-prohibited" rule as "...
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.
Exploit likelihood
What each source reports
NVD Score used
2.1
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.
- Record
CVE-2001-1387- CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-203
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2001-1387- Updated
- 2026-11-02
EUVDEUVD-2001-1367 No score
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.
- Record
EUVD-2001-1367- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2wcp-prmg-9pr7 No score
iptables-save in iptables before 1.2.4 records the "--reject-with icmp-host-prohibited" rule as "...
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.
- Record
GHSA-2wcp-prmg-9pr7- Weakness
- CWE-200, CWE-203
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2001-1387 is a low vulnerability (CVSS 2.1) in Netfilter Iptables, published November 5, 2001. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. No source names a fixed version.