CVE-2011-4661

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Published Feb 12, 2020 CVSS 3.1 · 7.5 High EPSS 1.0% KEV · Not listed

Description

A memory leak vulnerability exists in Cisco IOS before 15.2(1)T due to a memory leak in the HTTP PROXY Server process (aka CSCtu52820), when configured with Cisco ISR Web Security with Cisco ScanSafe and User Authenticaiton NTLM configured.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Cisco

IOS

affected

Version	Status	Constraints
`before 15.2(1)T`	affected	—

Configuration 1 [-]

cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2011-4579	A memory leak vulnerability exists in Cisco IOS before 15.2(1)T due to a memory leak in the HTTP PROXY Server process (aka CSCtu52820), when configured with Cisco ISR Web Security with Cisco ScanSafe and User Authenticaiton NTLM configured.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.0% (1.014% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://www.cisco.com/c/en/us/td/docs/ios/15_2m_and_t/release/notes/15_2m_and_t/152-1TCAVS.html

History

Nov 15, 2024 6:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Cisco Ios

Weaknesses

CWE-772

Sources

CVE record Updated: Nov 15, 2024, 5:41 PM

Status: PUBLISHED
Assigner: cisco
Published: Feb 12, 2020, 4:43 PM
Updated: Nov 15, 2024, 5:41 PM
Reserved: Dec 1, 2011, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 7, 2024, 12:09 AM

Updated: Aug 7, 2024, 12:09 AM

NVD Updated: Jun 16, 2026, 11:35 PM

Status: Modified
Published: Feb 12, 2020, 5:15 PM
Modified: Jun 16, 2026, 11:35 PM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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