Vulnerability Details : CVE-2021-26733
A broken access control vulnerability in the FirstReset_handler_func function of spx_restservice allows an attacker to arbitrarily send reboot commands to the BMC, causing a Denial-of-Service (DoS) condition. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.
Vulnerability category: BypassGain privilegeDenial of service
Products affected by CVE-2021-26733
- cpe:2.3:o:lannerinc:iac-ast2500a_firmware:1.10.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-26733
0.03%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-26733
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
3.9
|
1.4
|
Nozomi Networks Inc. |
CWE ids for CVE-2021-26733
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: prodsec@nozominetworks.com (Secondary)
References for CVE-2021-26733
-
https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26733/
spx_restservice FirstReset_handler_func Broken Access Control - CVE-2021-26733 – Nozomi NetworksThird Party Advisory
-
https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/
Vulnerabilities in BMC Firmware Affect OT/IoT Device Security – Part 1Third Party Advisory
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