CVE-2021-26733

CVSS V2 None CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2021-26733
  • Assigner
  • prodsec@nozominetworks.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-10-24T14:15:48
  • Last Modified Date
  • 2023-02-03T14:47:07
Weakness Enumerations
CWE URL
NVD-CWE-Other http://cwe.mitre.org/data/definitions/NVD-Other.html
CWE-284 http://cwe.mitre.org/data/definitions/284.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:lannerinc:iac-ast2500a_firmware:1.10.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:lannerinc:iac-ast2500a:-:*:*:*:*:*:*:* 0 OR
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/
https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26733/
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-26733
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26733
History
Created Old Value New Value Data Type Notes
2022-10-24 15:00:09 Added to TrackCVE
2022-12-07 11:07:30 2022-10-24T14:15Z 2022-10-24T14:15:48 CVE Published Date updated
2022-12-07 11:07:30 2022-12-01T17:15:10 CVE Modified Date updated
2022-12-07 11:07:30 Undergoing Analysis Vulnerability Status updated
2022-12-07 11:07:57 References updated
2023-02-03 15:13:57 2023-02-03T14:47:07 CVE Modified Date updated
2023-02-03 15:13:57 Undergoing Analysis Analyzed Vulnerability Status updated
2023-02-03 15:13:58 Weakness Enumeration update