Exploitation evidence
Known exploited · CISA KEV listed
Added 2025-05-19. Ransomware campaign use: Unknown.
CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA due date: 2025-06-09. 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
Srimax / Output Messenger
Default status: unaffected
- affected: 0 to < 2.0.63 (custom)
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.srimax.com/products-2/output-messenger/
- https://www.outputmessenger.com/cve-2025-27920/
- https://www.microsoft.com/en-us/security/blog/2025/05/12/marbled-dust-leverages-zero-day-in-output-messenger-for-regional-espionage/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-27920
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": 0.01898,
"percentile": 0.79945
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.01898,
"percentile": 0.79819
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.01898,
"percentile": 0.79797
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.01898,
"percentile": 0.79788
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.01898,
"percentile": 0.79772
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.01898,
"percentile": 0.79739
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.01898,
"percentile": 0.79723
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.01865,
"percentile": 0.79351
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.01865,
"percentile": 0.79314
}03 Nov 2026, 18:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-27920",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-08-26T19:30:34.595940Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2025-05-19",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-27920"
},
"type": "kev"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T22:55:17.487Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"third-party-advisory"
],
"url": "https://www.microsoft.com/en-us/security/blog/2025/05/12/marbled-dust-leverages-zero-day-in-output-messenger-for-regional-espionage/"
},
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-27920"
}
],
"timeline": [
{
"lang": "en",
"time": "2025-05-19T00:00:00.000Z",
"value": "CVE-2025-27920 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Output Messenger",
"vendor": "Srimax",
"versions": [
{
"lessThan": "2.0.63",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Output Messenger before 2.0.63 was vulnerable to a directory traversal attack through improper file path handling. By using ../ sequences in parameters, attackers could access sensitive files outside the intended directory, potentially leading to configuration leakage or arbitrary file access."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.2,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-24",
"description": "CWE-24 Path Traversal: '../filedir'",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-05-19T18:45:17.985Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://www.srimax.com/products-2/output-messenger/"
},
{
"url": "https://www.outputmessenger.com/cve-2025-27920/"
}
],
"x_generator": {
"engine": "enrichogram 0.0.1"
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2025-27920",
"datePublished": "2025-05-05T00:00:00.000Z",
"dateReserved": "2025-03-10T00:00:00.000Z",
"dateUpdated": "2025-10-21T22:55:17.487Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.01865,
"percentile": 0.79289
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2025-27920",
"cwes": [
"CWE-22"
],
"dateAdded": "2025-05-19",
"dueDate": "2025-06-09",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://www.outputmessenger.com/cve-2025-27920/ ; https://nvd.nist.gov/vuln/detail/CVE-2025-27920",
"product": "Output Messenger",
"requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "Srimax Output Messenger contains a directory traversal vulnerability that allows an attacker to access sensitive files outside the intended directory, potentially leading to configuration leakage or arbitrary file access.",
"vendorProject": "Srimax",
"vulnerabilityName": "Srimax Output Messenger Directory Traversal Vulnerability"
}