Paper/Archive/CVE-2021-26729

CVE-2021-26729

Lanner Inc IAC-AST2500A — spx_restservice Login_handler_func Command Injection and Multiple Stack-Based Buffer Overflows

EPSS 3%CVSS 10.0

critical.is priorityof 100

CVSS 10.0 (CNA)10.0 / 10 × 3030.0 Not in CISA KEV+300.0 EPSS percentile 85.7.857 × 2017.1 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

Command injection and multiple stack-based buffer overflows vulnerabilities in the Login_handler_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.

Affected

ProductAffectedFixed inSource

IAC-AST2500A1.10.0–CNA

Scores by source

Nozomi (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refnozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1 refnozominetworks.com/labs/vulnerability-advisories/cve-2021-26729