CVE-2007-0918

Ios vulnerability

CVSS

7.1

EPSS

3.1%

EPSS pct

86th

Exploited

No known

The ATOMIC.TCP signature engine in the Intrusion Prevention System (IPS) feature for Cisco IOS 12.4XA, 12.3YA, 12.3T, and other trains allows remote attackers to cause a denial of service (IPS crash and traffic loss) via unspecified manipulations that are not properly handled by the regular expression feature, as demonstrated using the 3123.0 (Netbus Pro Traffic) signature.

Affected vendor

Cisco

Affected product

Ios

CVSS vector

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

Published

2007-02-14

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 availability.

Its EPSS score of 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2007-0918

Confirm whether Cisco Ios is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2007-0918.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-0918

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-0918 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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