THREATPORT/VULNERABILITY/CVE-2018-5757
HIGH SEVERITY

CVE-2018-5757

420hd Ip Phone Firmware vulnerability

CVSS
8.8
EPSS
7.6%
EPSS pct
94th
Exploited
No known
An issue was discovered on AudioCodes 450HD IP Phone devices with firmware 3.0.0.535.106. The traceroute and ping functionality, which uses a parameter in a request to command.cgi from the Monitoring page in the web UI, unsafely puts user-alterable data directly into an OS command, leading to Remote Code Execution via shell metacharacters in the query string.
Affected vendor
Audiocodes
Affected product
420hd Ip Phone Firmware
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-78 — OS Command Injection
Published
2019-04-01

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 7.6% 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-2018-5757

  • Confirm whether Audiocodes 420hd Ip Phone Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-5757.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-5757

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-5757 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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