by Kastro
Paper/Archive/CVE-2021-26731

CVE-2021-26731

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

EPSS 3%CVSS 9.8
critical.is priorityof 100
47
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 85.8.858 × 2017.2No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Command injection and multiple stack-based buffer overflows vulnerabilities in the modifyUserb_func function of spx_restservice allow an authenticated 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

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Nozomi (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/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-1refnozominetworks.com/labs/vulnerability-advisories/cve-2021-26731