CVE-2021-44769

CVSS V2 None CVSS V3 High 7.5

Description

An improper input validation vulnerability in the TLS certificate generation function allows an attacker to cause a Denial-of-Service (DoS) condition which can only be reverted via a factory reset. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

Overview

CVE ID
CVE-2021-44769

Assigner
prodsec@nozominetworks.com

Vulnerability Status
Analyzed

Published Version
2022-10-24T14:15:49

Last Modified Date
2023-02-03T15:10:48

Weakness Enumerations

CWE	URL
CWE-20	http://cwe.mitre.org/data/definitions/20.html

CPE Configuration (Product)

CPE	Vulnerable	Operator
		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-2021-44769/

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-44769
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44769

History

Created	Old Value	New Value	Data Type	Notes
2022-10-24 15:00:09				Added to TrackCVE
2022-12-07 11:08:51	2022-10-24T14:15Z	2022-10-24T14:15:49	CVE Published Date	updated
2022-12-07 11:08:51		2022-12-01T17:15:10	CVE Modified Date	updated
2022-12-07 11:08:51		Undergoing Analysis	Vulnerability Status	updated
2022-12-07 11:09:18			References	updated
2023-02-03 15:13:58		2023-02-03T15:10:48	CVE Modified Date	updated
2023-02-03 15:13:58	Undergoing Analysis	Analyzed	Vulnerability Status	updated