CVE-2019-19940Public exploitNetwork attack vector

Authenticated command execution via CLISH argument escape

Published Mar 16, 2020 · Updated Aug 5, 2024

OS command injection in Swisscom Centro Grande 6.14.06 and earlier allows remote authenticated users to execute commands through SSH or Telnet. The CLISH restricted shell applies an insufficiently strict command-and-argument allowlist, letting backslashes escape quoted arguments to the whitelisted tcpdump command. Router credentials and network access are required; successful exploitation opens an unrestricted BusyBox shell as the admin user.

CVSS severity7.2
High
EPSS probability4.92%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in Swisscom Centro Grande 6.14.06 and earlier allows remote authenticated users to execute commands through SSH or Telnet. The CLISH restricted shell applies an insufficiently strict command-and-argument allowlist, letting backslashes escape quoted arguments to the whitelisted tcpdump command. Router credentials and network access are required; successful exploitation opens an unrestricted BusyBox shell as the admin user.

The record

CVE
CVE-2019-19940
Published
Mar 16, 2020
Updated
Aug 5, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-78, T1059.004
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 16, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.2NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
9.0NIST NVDAV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059.004Unix Shell

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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