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CVE-2021-26728

spx_restservice KillDupUsr_func Command Injection and Stack-Based Buffer Overflow

Published: Oct 24, 2022Updated: Nov 21, 2024 Sources: CVE List NVDCWE-94
NVD MITRE
10.0CVSSCRITICAL
EPSS Score
2.3%
Top 19.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

Command injection and stack-based buffer overflow vulnerabilities in the KillDupUsr_func function of spx_restservice allow an attacker to execute arbitrary code with the same privileges as the server user (root). This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-94CWE-121CWE-77CWE-787

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

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

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

MITRE ATT&CK

3 techniques
Execution
Initial Access
Privilege Escalation
View detailed technique mapping

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-2021-26728/
nozominetworks.com

Timeline

Published
Oct 24, 2022
Last Updated
Nov 21, 2024

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