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    24 vulnerabilities found for SeppMail by SeppMail

    CVE-2026-2743 (GCVE-0-2026-2743)

    Vulnerability from nvd – Published: 2026-03-05 06:45 – Updated: 2026-05-19 19:44
    VLAI
    Title
    SEPPmail User Web Interface Arbitrary File Write to RCE
    Summary
    Arbitrary File Write via Path Traversal upload to Remote Code Execution in SeppMail User Web Interface. The affected feature is the large file transfer (LFT). This issue affects SeppMail: 15.0.2.1 and before
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    • CWE-434 - Unrestricted Upload of File with Dangerous Type
    Assigner
    Impacted products
    Vendor Product Version
    SeppMail SeppMail Affected: unknown , ≤ 15.0.2.1 (-)
    Create a notification for this product.
    Credits
    Manuel Feifel and Dario Weiss of InfoGuard Labs
    Show details on NVD website

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    CVE-2026-2748 (GCVE-0-2026-2748)

    Vulnerability from nvd – Published: 2026-03-04 08:48 – Updated: 2026-03-04 16:55
    VLAI
    Title
    S/MIME Certificate Subject Whitespace
    Summary
    SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoofing.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-295 - Improper Certificate Validation
    Assigner
    References
    Impacted products
    Vendor Product Version
    SEPPmail Secure Email Gateway Affected: 0 , < 15.0.1 (custom)
    Create a notification for this product.
    Credits
    Andris Suter-Dörig Matteo Scarlata Kenny Paterson
    Show details on NVD website

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    CVE-2026-2747 (GCVE-0-2026-2747)

    Vulnerability from nvd – Published: 2026-03-04 08:46 – Updated: 2026-03-04 19:38
    VLAI
    Title
    PGP Mixed Plaintext and Encrypted Content
    Summary
    SEPPmail Secure Email Gateway before version 15.0.1 decrypts inline PGP messages without isolating them from surrounding unencrypted content, allowing exposure of sensitive information to an unauthorized actor.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
    Assigner
    References
    Impacted products
    Vendor Product Version
    SEPPmail Secure Email Gateway Affected: 0 , < 15.0.1 (custom)
    Create a notification for this product.
    Credits
    Andris Suter-Dörig Matteo Scarlata Kenny Paterson
    Show details on NVD website

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    CVE-2026-2746 (GCVE-0-2026-2746)

    Vulnerability from nvd – Published: 2026-03-04 08:44 – Updated: 2026-03-04 21:26
    VLAI
    Title
    Missing PGP Signature Tag
    Summary
    SEPPmail Secure Email Gateway before version 15.0.1 does not properly communicate PGP signature verification results, leaving users unable to detect forged emails.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-347 - Improper Verification of Cryptographic Signature
    Assigner
    References
    Impacted products
    Vendor Product Version
    SEPPmail Secure Email Gateway Affected: 0 , < 15.0.1 (custom)
    Create a notification for this product.
    Credits
    Andris Suter-Dörig Matteo Scarlata Kenny Paterson
    Show details on NVD website

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    CVE-2026-27443 (GCVE-0-2026-27443)

    Vulnerability from nvd – Published: 2026-03-04 08:45 – Updated: 2026-03-04 19:41
    VLAI
    Title
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    Summary
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    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-20 - Improper Input Validation
    Assigner
    References
    Impacted products
    Vendor Product Version
    SEPPmail Secure Email Gateway Affected: 0 , < 15.0.1 (custom)
    Create a notification for this product.
    Credits
    Andris Suter-Dörig Matteo Scarlata Kenny Paterson
    Show details on NVD website

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    CVE-2026-27445 (GCVE-0-2026-27445)

    Vulnerability from nvd – Published: 2026-03-04 08:47 – Updated: 2026-03-04 19:26
    VLAI
    Title
    PGP Signature Reflection
    Summary
    SEPPmail Secure Email Gateway before version 15.0.1 does not properly verify that a PGP signature was generated by the expected key, allowing signature spoofing.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-347 - Improper Verification of Cryptographic Signature
    Assigner
    References
    Impacted products
    Vendor Product Version
    SEPPmail Secure Email Gateway Affected: 0 , < 15.0.1 (custom)
    Create a notification for this product.
    Credits
    Andris Suter-Dörig Matteo Scarlata Kenny Paterson
    Show details on NVD website

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    CVE-2026-27442 (GCVE-0-2026-27442)

    Vulnerability from nvd – Published: 2026-03-04 08:48 – Updated: 2026-03-04 19:08
    VLAI
    Title
    zip_attachments Path Traversal
    Summary
    The GINA web interface in SEPPmail Secure Email Gateway before version 15.0.1 does not properly check attachment filenames in GINA-encrypted emails, allowing an attacker to access files on the gateway.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Assigner
    References
    Impacted products
    Vendor Product Version
    SEPPmail Secure Email Gateway Affected: 0 , < 15.0.1 (custom)
    Create a notification for this product.
    Credits
    Andris Suter-Dörig Matteo Scarlata Kenny Paterson
    Show details on NVD website

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    CVE-2026-27444 (GCVE-0-2026-27444)

    Vulnerability from nvd – Published: 2026-03-04 08:47 – Updated: 2026-03-04 19:28
    VLAI
    Title
    Header Email Address Parsing
    Summary
    SEPPmail Secure Email Gateway before version 15.0.1 incorrectly interprets email addresses in the email headers, causing an interpretation conflict with other mail infrastructure that allows an attacker to fake the source of the email or decrypt it.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-436 - Interpretation Conflict
    Assigner
    References
    Impacted products
    Vendor Product Version
    SEPPmail Secure Email Gateway Affected: 0 , < 15.0.1 (custom)
    Create a notification for this product.
    Credits
    Andris Suter-Dörig Matteo Scarlata Kenny Paterson
    Show details on NVD website

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    CVE-2026-27441 (GCVE-0-2026-27441)

    Vulnerability from nvd – Published: 2026-03-04 08:49 – Updated: 2026-03-04 16:12
    VLAI
    Title
    PDF Password CMDi
    Summary
    SEPPmail Secure Email Gateway before version 15.0.1 insufficiently neutralizes the PDF encryption password, allowing OS command execution.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    SEPPmail Secure Email Gateway Affected: 0 , < 15.0.1 (custom)
    Create a notification for this product.
    Credits
    Andris Suter-Dörig Matteo Scarlata Kenny Paterson
    Show details on NVD website

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    CVE-2022-41871 (GCVE-0-2022-41871)

    Vulnerability from nvd – Published: 2025-04-28 00:00 – Updated: 2025-04-28 15:56
    VLAI
    Summary
    SEPPmail through 12.1.17 allows command injection within the Admin Portal. An authenticated attacker is able to execute arbitrary code in the context of the user root.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    Assigner
    Impacted products
    Vendor Product Version
    SEPPmail SEPPmail Affected: 12.1.17 (custom)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2021-31740 (GCVE-0-2021-31740)

    Vulnerability from nvd – Published: 2022-11-30 00:00 – Updated: 2025-04-25 14:40
    VLAI
    Summary
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    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • n/a
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    Show details on NVD website

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    CVE-2021-31739 (GCVE-0-2021-31739)

    Vulnerability from nvd – Published: 2022-11-18 00:00 – Updated: 2025-04-29 19:17
    VLAI
    Summary
    The SEPPmail solution is vulnerable to a Cross-Site Scripting vulnerability (XSS), because user input is not correctly encoded in HTML attributes when returned by the server.SEPPmail 11.1.10 allows XSS via a recipient address.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • n/a
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    Show details on NVD website

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    CVE-2026-2743 (GCVE-0-2026-2743)

    Vulnerability from cvelistv5 – Published: 2026-03-05 06:45 – Updated: 2026-05-19 19:44
    VLAI
    Title
    SEPPmail User Web Interface Arbitrary File Write to RCE
    Summary
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    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    • CWE-434 - Unrestricted Upload of File with Dangerous Type
    Assigner
    Impacted products
    Vendor Product Version
    SeppMail SeppMail Affected: unknown , ≤ 15.0.2.1 (-)
    Create a notification for this product.
    Credits
    Manuel Feifel and Dario Weiss of InfoGuard Labs
    Show details on NVD website

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    CVE-2026-27441 (GCVE-0-2026-27441)

    Vulnerability from cvelistv5 – Published: 2026-03-04 08:49 – Updated: 2026-03-04 16:12
    VLAI
    Title
    PDF Password CMDi
    Summary
    SEPPmail Secure Email Gateway before version 15.0.1 insufficiently neutralizes the PDF encryption password, allowing OS command execution.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    Assigner
    References
    Impacted products
    Vendor Product Version
    SEPPmail Secure Email Gateway Affected: 0 , < 15.0.1 (custom)
    Create a notification for this product.
    Credits
    Andris Suter-Dörig Matteo Scarlata Kenny Paterson
    Show details on NVD website

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    CVE-2026-2748 (GCVE-0-2026-2748)

    Vulnerability from cvelistv5 – Published: 2026-03-04 08:48 – Updated: 2026-03-04 16:55
    VLAI
    Title
    S/MIME Certificate Subject Whitespace
    Summary
    SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoofing.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-295 - Improper Certificate Validation
    Assigner
    References
    Impacted products
    Vendor Product Version
    SEPPmail Secure Email Gateway Affected: 0 , < 15.0.1 (custom)
    Create a notification for this product.
    Credits
    Andris Suter-Dörig Matteo Scarlata Kenny Paterson
    Show details on NVD website

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    CVE-2026-27442 (GCVE-0-2026-27442)

    Vulnerability from cvelistv5 – Published: 2026-03-04 08:48 – Updated: 2026-03-04 19:08
    VLAI
    Title
    zip_attachments Path Traversal
    Summary
    The GINA web interface in SEPPmail Secure Email Gateway before version 15.0.1 does not properly check attachment filenames in GINA-encrypted emails, allowing an attacker to access files on the gateway.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
    Assigner
    References
    Impacted products
    Vendor Product Version
    SEPPmail Secure Email Gateway Affected: 0 , < 15.0.1 (custom)
    Create a notification for this product.
    Credits
    Andris Suter-Dörig Matteo Scarlata Kenny Paterson
    Show details on NVD website

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    CVE-2026-27445 (GCVE-0-2026-27445)

    Vulnerability from cvelistv5 – Published: 2026-03-04 08:47 – Updated: 2026-03-04 19:26
    VLAI
    Title
    PGP Signature Reflection
    Summary
    SEPPmail Secure Email Gateway before version 15.0.1 does not properly verify that a PGP signature was generated by the expected key, allowing signature spoofing.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-347 - Improper Verification of Cryptographic Signature
    Assigner
    References
    Impacted products
    Vendor Product Version
    SEPPmail Secure Email Gateway Affected: 0 , < 15.0.1 (custom)
    Create a notification for this product.
    Credits
    Andris Suter-Dörig Matteo Scarlata Kenny Paterson
    Show details on NVD website

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    CVE-2026-27444 (GCVE-0-2026-27444)

    Vulnerability from cvelistv5 – Published: 2026-03-04 08:47 – Updated: 2026-03-04 19:28
    VLAI
    Title
    Header Email Address Parsing
    Summary
    SEPPmail Secure Email Gateway before version 15.0.1 incorrectly interprets email addresses in the email headers, causing an interpretation conflict with other mail infrastructure that allows an attacker to fake the source of the email or decrypt it.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-436 - Interpretation Conflict
    Assigner
    References
    Impacted products
    Vendor Product Version
    SEPPmail Secure Email Gateway Affected: 0 , < 15.0.1 (custom)
    Create a notification for this product.
    Credits
    Andris Suter-Dörig Matteo Scarlata Kenny Paterson
    Show details on NVD website

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    CVE-2026-2747 (GCVE-0-2026-2747)

    Vulnerability from cvelistv5 – Published: 2026-03-04 08:46 – Updated: 2026-03-04 19:38
    VLAI
    Title
    PGP Mixed Plaintext and Encrypted Content
    Summary
    SEPPmail Secure Email Gateway before version 15.0.1 decrypts inline PGP messages without isolating them from surrounding unencrypted content, allowing exposure of sensitive information to an unauthorized actor.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
    Assigner
    References
    Impacted products
    Vendor Product Version
    SEPPmail Secure Email Gateway Affected: 0 , < 15.0.1 (custom)
    Create a notification for this product.
    Credits
    Andris Suter-Dörig Matteo Scarlata Kenny Paterson
    Show details on NVD website

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    CVE-2026-27443 (GCVE-0-2026-27443)

    Vulnerability from cvelistv5 – Published: 2026-03-04 08:45 – Updated: 2026-03-04 19:41
    VLAI
    Title
    S/MIME Decryption Tag Sanitization Bypass
    Summary
    SEPPmail Secure Email Gateway before version 15.0.1 does not properly sanitize the headers from S/MIME protected MIME entities, allowing an attacker to control trusted headers.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-20 - Improper Input Validation
    Assigner
    References
    Impacted products
    Vendor Product Version
    SEPPmail Secure Email Gateway Affected: 0 , < 15.0.1 (custom)
    Create a notification for this product.
    Credits
    Andris Suter-Dörig Matteo Scarlata Kenny Paterson
    Show details on NVD website

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    CVE-2026-2746 (GCVE-0-2026-2746)

    Vulnerability from cvelistv5 – Published: 2026-03-04 08:44 – Updated: 2026-03-04 21:26
    VLAI
    Title
    Missing PGP Signature Tag
    Summary
    SEPPmail Secure Email Gateway before version 15.0.1 does not properly communicate PGP signature verification results, leaving users unable to detect forged emails.
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-347 - Improper Verification of Cryptographic Signature
    Assigner
    References
    Impacted products
    Vendor Product Version
    SEPPmail Secure Email Gateway Affected: 0 , < 15.0.1 (custom)
    Create a notification for this product.
    Credits
    Andris Suter-Dörig Matteo Scarlata Kenny Paterson
    Show details on NVD website

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    CVE-2022-41871 (GCVE-0-2022-41871)

    Vulnerability from cvelistv5 – Published: 2025-04-28 00:00 – Updated: 2025-04-28 15:56
    VLAI
    Summary
    SEPPmail through 12.1.17 allows command injection within the Admin Portal. An authenticated attacker is able to execute arbitrary code in the context of the user root.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
    Assigner
    Impacted products
    Vendor Product Version
    SEPPmail SEPPmail Affected: 12.1.17 (custom)
    Create a notification for this product.
    Show details on NVD website

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    CVE-2021-31740 (GCVE-0-2021-31740)

    Vulnerability from cvelistv5 – Published: 2022-11-30 00:00 – Updated: 2025-04-25 14:40
    VLAI
    Summary
    SEPPMail's web frontend, user input is not embedded correctly in the web page and therefore leads to cross-site scripting vulnerabilities (XSS).
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • n/a
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    Show details on NVD website

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              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "n/a",
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            }
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    CVE-2021-31739 (GCVE-0-2021-31739)

    Vulnerability from cvelistv5 – Published: 2022-11-18 00:00 – Updated: 2025-04-29 19:17
    VLAI
    Summary
    The SEPPmail solution is vulnerable to a Cross-Site Scripting vulnerability (XSS), because user input is not correctly encoded in HTML attributes when returned by the server.SEPPmail 11.1.10 allows XSS via a recipient address.
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • n/a
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    Show details on NVD website

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