CVE-2026-27441 - Vulnerability Details - OpenCVE

SEPPmail Secure Email Gateway before version 15.0.1 insufficiently neutralizes the PDF encryption password, allowing OS command execution.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact Low

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00043.

Key SSVC decision points have not yet been added.

Vendors	Products
Seppmail Subscribe	Seppmail Secure Email Gateway Subscribe

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure

History

Wed, 04 Mar 2026 09:15:00 +0000

Type	Values Removed	Values Added
Description		SEPPmail Secure Email Gateway before version 15.0.1 insufficiently neutralizes the PDF encryption password, allowing OS command execution.
Title		PDF Password CMDi
First Time appeared		Seppmail Seppmail seppmail Secure Email Gateway
Weaknesses		CWE-78
CPEs		cpe:2.3:a:seppmail:seppmail_secure_email_gateway::::::::
Vendors & Products		Seppmail Seppmail seppmail Secure Email Gateway
References		https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure
Metrics		cvssV4_0 `{'score': 9.5, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L'}`

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: NCSC.ch

Published: 2026-03-04T08:49:30.946Z

Updated: 2026-03-04T16:12:24.028Z

Reserved: 2026-02-19T13:56:28.868Z

Link: CVE-2026-27441

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-03-04T09:15:55.943

Modified: 2026-03-04T09:15:55.943

Link: CVE-2026-27441

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-78

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-27441", "assignerOrgId": "455daabc-a392-441d-aa46-37d35189897c", "state": "PUBLISHED", "assignerShortName": "NCSC.ch", "dateReserved": "2026-02-19T13:56:28.868Z", "datePublished": "2026-03-04T08:49:30.946Z", "dateUpdated": "2026-03-04T16:12:24.028Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Secure Email Gateway", "vendor": "SEPPmail", "versions": [{"lessThan": "15.0.1", "status": "affected", "version": "0", "versionType": "custom"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:seppmail:seppmail_secure_email_gateway:*:*:*:*:*:*:*:*", "versionEndExcluding": "15.0.1", "versionStartIncluding": "0", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "OR"}], "credits": [{"lang": "en", "type": "finder", "value": "Andris Suter-D\u00f6rig"}, {"lang": "en", "type": "coordinator", "value": "Matteo Scarlata"}, {"lang": "en", "type": "coordinator", "value": "Kenny Paterson"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "SEPPmail Secure Email Gateway before version 15.0.1 insufficiently neutralizes the PDF encryption password, allowing OS command execution."}], "value": "SEPPmail Secure Email Gateway before version 15.0.1 insufficiently neutralizes the PDF encryption password, allowing OS command execution."}], "impacts": [{"capecId": "CAPEC-242", "descriptions": [{"lang": "en", "value": "CAPEC-242 Code Injection"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "baseScore": 9.5, "baseSeverity": "CRITICAL", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "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": {"orgId": "455daabc-a392-441d-aa46-37d35189897c", "shortName": "NCSC.ch", "dateUpdated": "2026-03-04T08:49:30.946Z"}, "references": [{"tags": ["release-notes"], "url": "https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure"}], "source": {"discovery": "EXTERNAL"}, "timeline": [{"lang": "en", "time": "2025-10-31T14:22:00.000Z", "value": "Vulnerability disclosed to SEPPmail"}, {"lang": "en", "time": "2026-01-06T00:00:00.000Z", "value": "Version 15.0.1 released"}], "title": "PDF Password CMDi", "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-04T16:06:51.486726Z", "id": "CVE-2026-27441", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-04T16:12:24.028Z"}}]}}