{"id":"CVE-2023-49897","published":"2023-12-06T07:15:41Z","modified":"2026-06-17T06:36:40Z","title":"FXC AE1021, AE1021PE OS Command Injection Vulnerability","vendor":"FXC","product":"AE1021, AE1021PE","tier":"core","eol":null,"description":{"text":"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.","provenance":"source","from":"NVD"},"summary":{"text":"The FXC AE1021 and AE1021PE products contain an OS command injection flaw in their firmware (version 2.0.9 and earlier for both). An attacker who can log in to the affected product can execute arbitrary OS commands on it.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-31T04:54:15Z"},"cvss":{"score":8.8,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.50447,"percentile":0.98911,"date":"2026-10-30","provenance":"source"},"kev":{"dateAdded":"2023-12-21","dueDate":"2024-01-11","ransomware":false,"requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","notes":"https://www.fxc.jp/news/20231206 ;  https://nvd.nist.gov/vuln/detail/CVE-2023-49897","provenance":"source"},"vulncheckKev":{"dateAdded":"2023-12-06","exploitedFirstSeen":"2023-12-06","ransomware":false,"evidence":[{"url":"https://www.akamai.com/blog/security-research/zero-day-vulnerability-spreading-mirai-patched","date":"2023-12-06"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2023-12-21"}],"evidenceTotal":2,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 30, 2026","url":"https://otx.alienvault.com/pulse/6ae35d889ea92b4ce19c2680","created":"2026-10-29"},{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"}],"provenance":"machine"},"cwes":[{"id":"CWE-78","name":"Improper Neutralization of Special Elements used in an OS Command"}],"references":[{"url":"https://jvn.jp/en/vu/JVNVU92152057/","tags":["Third Party Advisory"]},{"url":"https://www.akamai.com/blog/security-research/zero-day-vulnerability-spreading-mirai-patched","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-355-01","tags":["Third Party Advisory","US Government Resource"]},{"url":"https://www.fxc.jp/news/20231206","tags":["Release Notes","Vendor Advisory"]},{"url":"https://jvn.jp/en/vu/JVNVU92152057/","tags":["Third Party Advisory"]},{"url":"https://www.akamai.com/blog/security-research/zero-day-vulnerability-spreading-mirai-patched","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-355-01","tags":["Third Party Advisory","US Government Resource"]},{"url":"https://www.fxc.jp/news/20231206","tags":["Release Notes","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-49897","tags":["US Government Resource"]}],"techniques":[{"id":"T1203","name":"Exploitation for Client Execution","tactics":["execution"],"provenance":"source","basis":"ctid-kev","bases":["ctid-kev"],"basisDetail":"CTID Mappings Explorer KEV 07/28/2025 (ATT&CK 16.1); capability: Command Injection","mappingType":"exploitation_technique","evidence":[],"comment":"CVE-2023-49897 is an OS command injection vulnerability affecting AE1021PE firmware. This vulnerability has been publicly reported to be leveraged during the InfectedSlurs campaign to install a Mirai malware variant with the intention of creating a distributed denial-of-service (DDoS) botnet with these infected devices.  ","confidence":"low","confidenceNote":"server-side bug exploitable without user interaction; client-execution technique does not fit"},{"id":"T1496","name":"Resource Hijacking","tactics":["impact"],"provenance":"source","basis":"ctid-kev","bases":["ctid-kev"],"basisDetail":"CTID Mappings Explorer KEV 07/28/2025 (ATT&CK 16.1); capability: Command Injection","mappingType":"primary_impact","evidence":[],"comment":"CVE-2023-49897 is an OS command injection vulnerability affecting AE1021PE firmware. This vulnerability has been publicly reported to be leveraged during the InfectedSlurs campaign to install a Mirai malware variant with the intention of creating a distributed denial-of-service (DDoS) botnet with these infected devices.  ","confidence":"high"},{"id":"T1498","name":"Network Denial of Service","tactics":["impact"],"provenance":"source","basis":"ctid-kev","bases":["ctid-kev"],"basisDetail":"CTID Mappings Explorer KEV 07/28/2025 (ATT&CK 16.1); capability: Command Injection","mappingType":"secondary_impact","evidence":[],"comment":"CVE-2023-49897 is an OS command injection vulnerability affecting AE1021PE firmware. This vulnerability has been publicly reported to be leveraged during the InfectedSlurs campaign to install a Mirai malware variant with the intention of creating a distributed denial-of-service (DDoS) botnet with these infected devices.  ","confidence":"high"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-53797","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-53797","exploited":true,"exploitedSince":"2023-12-21","provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":["https://www.akamai.com/blog/security-research/zero-day-vulnerability-spreading-mirai-patched"],"flow":[{"stage":"primary","techniques":["T1496"],"provenance":"source"},{"stage":"secondary","techniques":["T1498"],"provenance":"source"},{"stage":"related","techniques":["T1203"],"provenance":"source","lowConfidence":true}],"timeline":[{"date":"2023-12-06","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-49897","provenance":"source"},{"date":"2023-12-06","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.akamai.com/blog/security-research/zero-day-vulnerability-spreading-mirai-patched","provenance":"source"},{"date":"2023-12-21","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2023-12-21","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-53797","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":15},"priority":{"score":68.9,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 1060 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.78,"detail":"percentile 0.9891"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":5.0,"detail":"1 NVD reference tagged Exploit"},{"name":"Mentioned in OTX pulses","points":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":6.16,"detail":"base score 8.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}