CVE-2004-1799 — PF in certain OpenBSD versions, when stateful filtering is enabled, does not limit packets for a session to the original interface, which allows remote attackers to bypass intended packet filters via spoofed packets to other interfaces

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HIGH

PF in certain OpenBSD versions, when stateful filtering is enabled, does not limit packets for a session to the original interface, which allows remote attackers to bypass intended packet filters via spoofed packets to other interfaces

Published May 10, 2005

7.5

HIGH

CVSS 2.0

EPSS 1.46%

Description

PF in certain OpenBSD versions, when stateful filtering is enabled, does not limit packets for a session to the original interface, which allows remote attackers to bypass intended packet filters via spoofed packets to other interfaces.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.46% 0.01457

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01457

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (11 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.46% (0.01457)	72.56th	v5 (v2026.06.15)
Jun 15, 2026	1.46% (0.01457)	70.01th	v5 (v2026.06.15)
Mar 17, 2025	0.35% (0.00351)	55.33th	v4 (v2025.03.14)
Dec 12, 2024	0.84% (0.00840)	82.79th	v3 (v2023.03.01)
Apr 16, 2024	0.84% (0.00840)	81.85th	v3 (v2023.03.01)
Aug 30, 2023	0.91% (0.00913)	80.84th	v3 (v2023.03.01)
Mar 7, 2023	1.29% (0.01290)	83.67th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (3)

http://marc.info/?l=full-disclosure&m=107331321302113&w=2
mailing-listx_refsource_FULLDISC
http://www.osvdb.org/19105
vdb-entryx_refsource_OSVDB
http://www.securityfocus.com/bid/9362
vdb-entryx_refsource_BID

Link	Providers	Tags
http://marc.info/?l=full-disclosure&m=107331321302113&w=2		mailing-listx_refsource_FULLDISC
http://www.osvdb.org/19105		vdb-entryx_refsource_OSVDB
http://www.securityfocus.com/bid/9362		vdb-entryx_refsource_BID

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published May 10, 2005

Updated Aug 8, 2024

Reserved May 4, 2005

Link CVE-2004-1799

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2004-1799

Red Hat

Severity n/a

Public date n/a

Links CVE-2004-1799