Exploitation evidence
Known exploited · CISA KEV listed
Added 2023-12-21. Ransomware campaign use: Unknown.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date: 2024-01-11. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
FXC Inc. / AE1021PE
Default status: Not specified
- affected: 2.0.9 and earlier
FXC Inc. / AE1021
Default status: Not specified
- affected: 2.0.9 and earlier
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- https://www.fxc.jp/news/20231206
- https://jvn.jp/en/vu/JVNVU92152057/
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-355-01
- https://www.akamai.com/blog/security-research/zero-day-vulnerability-spreading-mirai-patched
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-49897
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.50447,
"percentile": 0.9893
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.50447,
"percentile": 0.98923
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.50447,
"percentile": 0.98922
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.50447,
"percentile": 0.98921
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.50447,
"percentile": 0.9892
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.50447,
"percentile": 0.98919
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.50447,
"percentile": 0.98917
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.50447,
"percentile": 0.98917
}04 Nov 2026, 18:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T22:09:48.211Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://www.fxc.jp/news/20231206"
},
{
"tags": [
"x_transferred"
],
"url": "https://jvn.jp/en/vu/JVNVU92152057/"
},
{
"tags": [
"x_transferred"
],
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-355-01"
},
{
"tags": [
"x_transferred"
],
"url": "https://www.akamai.com/blog/security-research/zero-day-vulnerability-spreading-mirai-patched"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2023-49897",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2023-12-20T05:00:54.981164Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2023-12-21",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-49897"
},
"type": "kev"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-78",
"description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T23:05:29.972Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-49897"
}
],
"timeline": [
{
"lang": "en",
"time": "2023-12-21T00:00:00.000Z",
"value": "CVE-2023-49897 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "AE1021PE",
"vendor": "FXC Inc.",
"versions": [
{
"status": "affected",
"version": "2.0.9 and earlier"
}
]
},
{
"product": "AE1021",
"vendor": "FXC Inc.",
"versions": [
{
"status": "affected",
"version": "2.0.9 and earlier"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "OS command injection",
"lang": "en",
"type": "text"
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]
}
],
"providerMetadata": {
"dateUpdated": "2023-12-22T04:06:04.193Z",
"orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
"shortName": "jpcert"
},
"references": [
{
"url": "https://www.fxc.jp/news/20231206"
},
{
"url": "https://jvn.jp/en/vu/JVNVU92152057/"
},
{
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-355-01"
},
{
"url": "https://www.akamai.com/blog/security-research/zero-day-vulnerability-spreading-mirai-patched"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
"assignerShortName": "jpcert",
"cveId": "CVE-2023-49897",
"datePublished": "2023-12-06T06:49:41.752Z",
"dateReserved": "2023-12-01T02:30:49.222Z",
"dateUpdated": "2025-10-21T23:05:29.972Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.50447,
"percentile": 0.98915
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.50447,
"percentile": 0.98913
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2023-49897",
"cwes": [
"CWE-78"
],
"dateAdded": "2023-12-21",
"dueDate": "2024-01-11",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://www.fxc.jp/news/20231206 ; https://nvd.nist.gov/vuln/detail/CVE-2023-49897",
"product": "AE1021, AE1021PE",
"requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "FXC AE1021 and AE1021PE contain an OS command injection vulnerability that allows authenticated users to execute commands via a network.",
"vendorProject": "FXC",
"vulnerabilityName": "FXC AE1021, AE1021PE OS Command Injection Vulnerability"
}