CVE-2023-49897
Published: December 21, 2023
Official Description
FXC AE1021 and AE1021PE contain an OS command injection vulnerability that allows authenticated users to execute commands via a network.
CISA KEV Advisory
FXC AE1021, AE1021PE OS Command Injection Vulnerability
FXC AE1021 and AE1021PE contain an OS command injection vulnerability that allows authenticated users to execute commands via a network.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Risk Analysis
This CVE details an OS command injection vulnerability in FXC AE1021 and AE1021PE devices. Authenticated users can exploit this flaw to execute commands via a network connection. The high EPSS score of 0.33646 and its inclusion in CISA's KEV catalog indicate a significant and confirmed exploitation risk.
This vulnerability is being actively exploited in the wild and is listed in CISA's KEV catalog, confirming its active use by threat actors. Although it requires authentication, the network-based exploitation makes it a serious concern.
Administrators should apply available patches or firmware updates for FXC AE1021 and AE1021PE devices. Implement strong authentication policies and restrict network access to these devices to trusted users and segments.
Technical Analysis
CVE-2023-49897 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2023-49897 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-49897 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1