CVE-2023-49897
FXC AE1021, AE1021PE OS Command Injection Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 11 January 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
An OS command injection vulnerability exists in AE1021PE firmware version 2.0.9 and earlier and AE1021 firmware version 2.0.9 and earlier. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 50.45% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 21 December 2023 · due 11 January 2024
- Weakness
- CWE-78
- Affected
- fxc/ae1021 firmware · fxc/ae1021pe firmware
- Source
- vultures@jpcert.or.jp
EPSS 50.4% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://www.fxc.jp/news/20231206 ; https://nvd.nist.gov/vuln/detail/CVE-2023-49897
References
- https://jvn.jp/en/vu/JVNVU92152057/Third Party Advisory
- https://www.akamai.com/blog/security-research/zero-day-vulnerability-spreading-mirai-patchedExploit, Third Party Advisory
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-355-01Third Party Advisory, US Government Resource
- https://www.fxc.jp/news/20231206Release Notes, Vendor Advisory
- https://jvn.jp/en/vu/JVNVU92152057/Third Party Advisory
- https://www.akamai.com/blog/security-research/zero-day-vulnerability-spreading-mirai-patchedExploit, Third Party Advisory
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-355-01Third Party Advisory, US Government Resource
- https://www.fxc.jp/news/20231206Release Notes, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-49897US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.