RCE in Audiocodes 420hd Ip Phone

CVE-2018-5757

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.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.076 (94.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-5757: held from 0.076 to 0.076.

EPSS over last 30 days · oldest: 0.076 · newest: 0.076 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-5757?
CVE-2018-5757 is a high-severity vulnerability in Audiocodes 420hd Ip Phone, classified under OS Command Injection. CVSS score: 8.8/10. Published 2019-04-01.
How severe is CVE-2018-5757?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-5757 known to be exploited?
10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.