CVE Tools
Sign in

CVE-2021-44776

spx_restservice SubNet_handler_func Broken Access Control

Published: Oct 24, 2022Updated: Nov 21, 2024 Sources: CVE List NVDCWE-284
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.4%
Top 64.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

A broken access control vulnerability in the SubNet_handler_func function of spx_restservice allows an attacker to arbitrarily change the security access rights to KVM and Virtual Media functionalities. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-284NVD-CWE-Other

Affected Products

iac-ast2500a firmwarelannerinc
Embedded
Networking Infrastructure / router-switch
IAC-AST2500ALanner Inc
Embedded
Networking Infrastructure / router-switch
lannerinccommercialNetworking Infrastructureaka iac-ast2500a firmware, iac-ast2500 firmware
lanner inccommercialNetworking Infrastructureaka iac-ast2500a

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/
nozominetworks.com
https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-44776/
nozominetworks.com

Timeline

Published
Oct 24, 2022
Last Updated
Nov 21, 2024

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-44776 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows