CVE-2005-3481

Ios vulnerability

CVSS

9.3

EPSS

7.1%

EPSS pct

94th

Exploited

No known

Cisco IOS 12.0 to 12.4 might allow remote attackers to execute arbitrary code via a heap-based buffer overflow in system timers. NOTE: this issue does not correspond to a specific vulnerability, rather a general weakness that only increases the feasibility of exploitation of any vulnerabilities that might exist. Such design-level weaknesses normally are not included in CVE, so perhaps this issue should be REJECTed.

Affected vendor

Cisco

Affected product

Ios

CVSS vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Published

2005-11-03

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 7.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2005-3481

Confirm whether Cisco Ios is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2005-3481.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2005-3481

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2005-3481 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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