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CVE-2021-44467

spx_restservice KillDupUsr_func Broken Access Control

Published: Oct 24, 2022Updated: Nov 21, 2024 Sources: CVE List NVDCWE-284
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.7%
Top 53.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

A broken access control vulnerability in the KillDupUsr_func function of spx_restservice allows an attacker to arbitrarily terminate active sessions of other users, causing a Denial-of-Service (DoS) condition, if an input parameter is correctly guessed. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA: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:NIntegrity
None
A:LAvailability
Low
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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-2021-44467/
nozominetworks.com

Timeline

Published
Oct 24, 2022
Last Updated
Nov 21, 2024

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