CVE-2011-3380

mediumpriority · track · 21EPSS 0.023 · 83 %ileEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
2.27% (83rd) EPSS
CVSS 5 · medium
Is it mine?
32 products
Check your exposure
Who says so?
4 sources
enisa_euvd · fstec_bdu · nvd · redhat_csaf

EPSS · scored 2026-10-28

Openswan 2.6.29 through 2.6.35 allows remote attackers to cause a denial of service (NULL pointer dereference and pluto IKE daemon crash) via an ISAKMP message with an invalid KEY_LENGTH attribute, which is not properly handled by the error handling function.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedopenswan-0:2.6.32-4.el6_1.2.i686 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-0:2.6.32-4.el6_1.2.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-0:2.6.32-4.el6_1.2.s390x as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-0:2.6.32-4.el6_1.2.src as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-0:2.6.32-4.el6_1.2.src as a component of Red Hat Enterprise Linux Server Optional (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-0:2.6.32-4.el6_1.2.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-debuginfo-0:2.6.32-4.el6_1.2.i686 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-debuginfo-0:2.6.32-4.el6_1.2.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-debuginfo-0:2.6.32-4.el6_1.2.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-debuginfo-0:2.6.32-4.el6_1.2.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-debuginfo-0:2.6.32-4.el6_1.2.s390x as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-debuginfo-0:2.6.32-4.el6_1.2.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-debuginfo-0:2.6.32-4.el6_1.2.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-debuginfo-0:2.6.32-4.el6_1.2.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-doc-0:2.6.32-4.el6_1.2.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-doc-0:2.6.32-4.el6_1.2.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-doc-0:2.6.32-4.el6_1.2.s390x as a component of Red Hat Enterprise Linux Server Optional (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
  • Fixedopenswan-doc-0:2.6.32-4.el6_1.2.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 6)redhat_csaf

    Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/kb/docs/DOC-11259

    https://access.redhat.com/errata/RHSA-2011:1356
02

cvss

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

6.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9
v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Psecondary · FSTEC (BDU) RU
v2.04.3mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)
v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Psecondary · Red Hat Product Security US
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-476USLLM-inferred
04

affected products (32)

Products and version ranges known to be affected.

showing 20 of 32
05

advisories (1)

Vendor and ecosystem advisories describing this.

  • RHSA-2011:1356Red Hat Security Advisory: openswan security update2011-10-05csaf · redhat_csafUS

    Updated openswan packages that fix one security issue are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

06

also known as (6)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

enisa_euvdfstec_bdunvdredhat_csafNVDCVE.orgMITRE
published 2011-11-17modified 2026-06-16
08

references (6)

External citations — patches, advisories, analysis.

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