CVE-2021-26728

CRITICAL 10.0

spx_restservice KillDupUsr_func Command Injection and Stack-Based Buffer Overflow

CVSS Score

10.0

EPSS Score

0.0%

EPSS Percentile

0th

Command injection and stack-based buffer overflow vulnerabilities in the KillDupUsr_func function of spx_restservice allow an attacker to execute arbitrary code with the same privileges as the server user (root). This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

CWE	CWE-94 CWE-121
Vendor	lanner inc
Product	iac-ast2500a
Published	Oct 24, 2022
Last Updated	Aug 3, 2024

Stay Ahead of the Next One

Get instant alerts for lanner inc iac-ast2500a

Be the first to know when new critical vulnerabilities affecting lanner inc iac-ast2500a are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Lanner Inc / IAC-AST2500A

1.10.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

nozominetworks.com: https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/ nozominetworks.com: https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26728/

Credits

Andrea Palanca of Nozomi Networks found this bug during a security research activity.