CVE-2005-1058 — Cisco IOS 12.2T, 12.3 and 12.3T, when processing an ISAKMP profile that specifies XAUTH authentication after Phase 1 negotiation, may not process certain attributes in the ISAKMP profile that specifies XAUTH, which allows remote attackers to bypass XAUTH and move to Phase 2 negotiations

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HIGH

Cisco IOS 12.2T, 12.3 and 12.3T, when processing an ISAKMP profile that specifies XAUTH authentication after Phase 1 negotiation, may not process certain attributes in the ISAKMP profile that specifies XAUTH, which allows remote attackers to bypass XAUTH and move to Phase 2 negotiations

Published Apr 12, 2005

7.5

HIGH

CVSS 2.0

EPSS 1.44%

Description

Cisco IOS 12.2T, 12.3 and 12.3T, when processing an ISAKMP profile that specifies XAUTH authentication after Phase 1 negotiation, may not process certain attributes in the ISAKMP profile that specifies XAUTH, which allows remote attackers to bypass XAUTH and move to Phase 2 negotiations.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.44% 0.01444

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

EPSS probability 0.01444

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 (12 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	1.44% (0.01444)	72.30th	v5 (v2026.06.15)
Jun 15, 2026	1.44% (0.01444)	69.72th	v5 (v2026.06.15)
Mar 17, 2025	0.57% (0.00572)	66.75th	v4 (v2025.03.14)
Dec 12, 2024	0.52% (0.00517)	77.51th	v3 (v2023.03.01)
Mar 19, 2024	0.52% (0.00517)	76.25th	v3 (v2023.03.01)
Feb 8, 2024	0.47% (0.00474)	74.95th	v3 (v2023.03.01)
Aug 2, 2023	0.47% (0.00474)	72.44th	v3 (v2023.03.01)
Mar 7, 2023	0.64% (0.00638)	75.89th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (2)

http://www.cisco.com/warp/public/707/cisco-sa-20050406-xauth.shtml
vendor-advisoryx_refsource_CISCOVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5738
vdb-entrysignaturex_refsource_OVAL

Link	Providers	Tags
http://www.cisco.com/warp/public/707/cisco-sa-20050406-xauth.shtml		vendor-advisoryx_refsource_CISCOVendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5738		vdb-entrysignaturex_refsource_OVAL

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Apr 12, 2005

Updated Aug 7, 2024

Reserved Apr 12, 2005

Link CVE-2005-1058

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2005-1058

Red Hat

Severity n/a

Public date n/a

Links CVE-2005-1058