MEDIUM
CVE-2021-44776
CWE-284Published: October 24, 2022· Updated: Jun 17, 2026
5.3
CVSS v3.1
Official 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.
Technical Analysis
CVE-2021-44776 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected Vendors & Products
lannerinc2 product(s)
iac-ast2500a firmwareiac-ast2500a
Source: NVD CPE · 2 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (4)
→
→
https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-44776/Third Party Advisory
→
→
https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-44776/Third Party Advisory
Quick Facts
CVE IDCVE-2021-44776
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-284
CISA KEVNo
Affected1 vendor(s)
PublishedOct 24, 2022
Related CVEs (CWE-284)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-44776 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.