What is CVE-2021-44769?

CVE-2021-44769 is a medium-severity vulnerability in Lanner Inc Iac-Ast2500a, classified under Improper Input Validation. CVSS score: 4.9/10. Published 2022-10-24.

How severe is CVE-2021-44769?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Improper input validation in Lanner Inc Iac-Ast2500a

CVE-2021-44769

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2022-10-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (35.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Lanner Inc Iac-Ast2500a — versions 1.10.0
Lannerinc Iac-Ast2500a
Lannerinc Iac-Ast2500a Firmware — versions 1.10.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-devic… (Third Party Advisory)
www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-44769/ (Third Party Advisory)

Frequently asked questions

What is CVE-2021-44769?: CVE-2021-44769 is a medium-severity vulnerability in Lanner Inc Iac-Ast2500a, classified under Improper Input Validation. CVSS score: 4.9/10. Published 2022-10-24.
How severe is CVE-2021-44769?: Medium severity. CVSS v3 base score is 4.9 out of 10.