THREATPORT/VULNERABILITY/CVE-2015-4200
HIGH SEVERITY

CVE-2015-4200

Ios vulnerability

CVSS
7.8
EPSS
3.5%
EPSS pct
88th
Exploited
No known
Memory leak in the IPv6-to-IPv4 functionality in Cisco IOS 15.3S in the Performance Routing Engine (PRE) module on UBR devices allows remote attackers to cause a denial of service (memory consumption) by triggering an error during CPE negotiation, aka Bug ID CSCug00885.
Affected vendor
Cisco
Affected product
Ios
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness type (CWE)
Published
2015-06-23

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 3.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2015-4200

  • Confirm whether Cisco Ios is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2015-4200.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-4200

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2015-4200 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2015-4200?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2015-4200.

Start free scan

No credit card. Agentless.

Related vulnerabilities

HIGH
CVE-2023-3306
Rg Ew1200g Firmware vulnerability
HIGH
CVE-2023-35844
Lightdash vulnerability
HIGH
CVE-2023-35843
Nocodb vulnerability