THREATPORT/VULNERABILITY/CVE-2010-4686
HIGH SEVERITY

CVE-2010-4686

Ios vulnerability

CVSS
7.8
EPSS
3.2%
EPSS pct
87th
Exploited
No known
CallManager Express (CME) on Cisco IOS before 15.0(1)XA1 does not properly handle SIP TRUNK traffic that contains rate bursts and a "peculiar" request size, which allows remote attackers to cause a denial of service (memory consumption) by sending this traffic over a long duration, aka Bug ID CSCtb47950.
Affected vendor
Cisco
Affected product
Ios
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness type (CWE)
  • CWE-400 — Uncontrolled Resource Consumption
Published
2011-01-07

Risk analysis

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

Its EPSS score of 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2010-4686

  • Confirm whether Cisco Ios is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2010-4686.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2010-4686

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2010-4686 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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