CVE-2005-3671

highpriority · track · 34EPSS 0.075 · 94 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

7.45% (94th) EPSS

CVSS 7.8 · high

Is it mine?

17 products

Check your exposure

Who says so?

3 sources

enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-28

The Internet Key Exchange version 1 (IKEv1) implementation in Openswan 2 (openswan-2) before 2.4.4, and freeswan in SUSE LINUX 9.1 before 2.04_1.5.4-1.23, allow remote attackers to cause a denial of service via (1) a crafted packet using 3DES with an invalid key length, or (2) unspecified inputs when Aggressive Mode is enabled and the PSK is known, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.8

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Csecondary · FSTEC (BDU) RU

v2.06.6mediumAV:N/AC:L/Au:N/C:N/I:N/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-310USLLM-inferredCWE-400USLLM-inferred

affected products (17)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Gentoo Foundation Inc. Gentoo Linux≤ 2006.0fstec_bduRU
Novell Inc. SUSE Linux Enterprise≤ Server 9fstec_bduRU
Novell Inc. SUSE Linux Enterprise≤ Point of Service 9fstec_bduRU
Novell Inc. openSUSE≤ 9.1fstec_bduRU
Novell Inc. openSUSE≤ 9.2fstec_bduRU
Novell Inc. openSUSE≤ 9.3fstec_bduRU
Novell Inc. openSUSE≤ 10.0fstec_bduRU
frees wan frees wan= 2.04nvdUScpe:2.3:a:frees_wan:frees_wan:*:*:*:*:*:*:*:*
openswan openswan= 2.1.1nvdUScpe:2.3:a:openswan:openswan:*:*:*:*:*:*:*:*
openswan openswan= 2.1.2nvdUScpe:2.3:a:openswan:openswan:*:*:*:*:*:*:*:*
openswan openswan= 2.1.4nvdUScpe:2.3:a:openswan:openswan:*:*:*:*:*:*:*:*
openswan openswan= 2.1.5nvdUScpe:2.3:a:openswan:openswan:*:*:*:*:*:*:*:*
openswan openswan= 2.1.6nvdUScpe:2.3:a:openswan:openswan:*:*:*:*:*:*:*:*
openswan openswan= 2.2nvdUScpe:2.3:a:openswan:openswan:*:*:*:*:*:*:*:*
openswan openswan= 2.3nvdUScpe:2.3:a:openswan:openswan:*:*:*:*:*:*:*:*
xelerance openswan= 2.4.0nvdUScpe:2.3:a:xelerance:openswan:*:*:*:*:*:*:*:*

also known as (8)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2005-11-18modified 2026-06-16

references (34)

External citations — patches, advisories, analysis.

scry

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