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CVE-2019-15800

Published: Nov 14, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-78
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
3.9%
Top 11.2%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

An issue was discovered on Zyxel GS1900 devices with firmware before 2.50(AAHH.0)C0. Due to lack of input validation in the cmd_sys_traceroute_exec(), cmd_sys_arp_clear(), and cmd_sys_ping_exec() functions in the libclicmd.so library contained in the firmware, an attacker could leverage these functions to call system() and execute arbitrary commands on the switches. (Note that these functions are currently not called in this version of the firmware, however an attacker could use other vulnerabilities to finally use these vulnerabilities to gain code execution.)

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-78

Affected Products

n/an/a
gs1900-8 firmwarezyxelNetworking Infrastructure
gs1900-8hp firmwarezyxelNetworking Infrastructure
gs1900-10hp firmwarezyxelNetworking Infrastructure
gs1900-16 firmwarezyxelNetworking Infrastructure
zyxelcommercialTWNetworking Infrastructureaka zyxel communications corp.
and 14 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Execution
View detailed technique mapping

References

https://jasper.la/exploring-zyxel-gs1900-firmware-with-ghidra.html
jasper.la
https://www.zyxel.com/support/gs1900-switch-vulnerabilities.shtml
zyxel.com
https://nvd.nist.gov/vuln/detail/CVE-2019-15800
nvd.nist.gov
and 1 more references View all →

Timeline

Published
Nov 14, 2019
Last Updated
Nov 21, 2024

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