CVE-2021-26732

spx_restservice First_network_func Broken Access Control

6.5 Medium

A broken access control vulnerability in the First_network_func function of spx_restservice allows an attacker to arbitrarily change the network configuration of the BMC. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: Low

Exploit likelihood

0.55%Down 0.3 points since Oct 25, 2022

What each source reports

CVE List Score used 6.5

spx_restservice First_network_func Broken Access Control

Record: CVE-2021-26732
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weakness: CWE-284
Updated: 2026-11-02

EUVDEUVD-2021-13519 6.5

Record: EUVD-2021-13519
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-8pc4-5whg-xj4v 5.3

A broken access control vulnerability in the First_network_func function of spx_restservice...

Record: GHSA-8pc4-5whg-xj4v
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-284, CWE-862
Updated: 2026-11-02

NVD 6.5

Record: CVE-2021-26732
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-284
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-26732 is a medium vulnerability (CVSS 6.5) in Lanner Inc Iac-ast2500a, published October 24, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.55%, the 46th percentile. No source names a fixed version.