What is CVE-2021-45925?

CVE-2021-45925 is a medium-severity vulnerability in Lanner Inc Iac-Ast2500a, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2022-10-24.

How severe is CVE-2021-45925?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Lanner Inc Iac-Ast2500a

CVE-2021-45925

Observable discrepancies in the login process allow an attacker to guess legitimate user names registered in the BMC. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

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

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (44.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · 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-203 — Observable Discrepancy

References

www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-devic… (Third Party Advisory)
www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-45925/ (Third Party Advisory)

Frequently asked questions

What is CVE-2021-45925?: CVE-2021-45925 is a medium-severity vulnerability in Lanner Inc Iac-Ast2500a, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2022-10-24.
How severe is CVE-2021-45925?: Medium severity. CVSS v3 base score is 5.3 out of 10.