CVE-2019-18339

highpriority · track · 31OT risk · elevatedEPSS 0.027 · 86 %ileDEEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
2.65% (86th) EPSS
CVSS 7.5 · high
Is it mine?
10 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

A vulnerability has been identified in SiNVR/SiVMS Video Server (All versions < V5.0.0). The HTTP service (default port 5401/tcp) of the SiVMS/SiNVR Video Server contains an authentication bypass vulnerability, even when properly configured with enforced authentication. A remote attacker with network access to the Video Server could exploit this vulnerability to read the SiVMS/SiNVR users database, including the passwords of all users in obfuscated cleartext.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedSiNVR/SiVMS Video Serversiemens_psirt

    Update to V5.0.0 or later version

  • FixedSiNVR 3 Central Control Server (CCS)cisa_csaf_ot

    As a general security measure, Siemens strongly recommends protecting network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens ' operational guidelines for industrial security and to following the recommendations in the product manuals.

  • FixedSiNVR/SiVMS Video Servercisa_csaf_ot

    As a general security measure, Siemens strongly recommends protecting network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens ' operational guidelines for industrial security and to following the recommendations in the product manuals.

  • MitigationSiNVR/SiVMS Video Serversiemens_psirt

    Apply ACL/firewall configuration on the Video Servers to ensure that only legitimate systems are able to access the configured server ports. Harden all systems accordingly to prevent unauthorized access

02

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.4–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4
v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)
v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:Csecondary · Siemens ProductCERT DE
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:Csecondary · ENISA EU
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · NVD / NIST USexploitability 3.9 · impact 5.9
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · productcert@siemens.com DEexploitability 3.9 · impact 5.9
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USCWE-306USCWE-306US
04

affected products (10)

Products and version ranges known to be affected.

05

advisories (2)

Vendor and ecosystem advisories describing this.

  • SSA-761617SSA-761617: Authentication Bypass and Information Disclosure Vulnerabilities in SiNVR/SiVMS Video Server2019-12-10csaf · siemens_psirtDE

    The Video Server application in SiNVR/SiVMS solutions contains two vulnerabilities involving authentication bypass (CVE-2019-18339) and information disclosure (CVE-2019-18340). PKE has released an update of the application that fixes CVE-2019-18339. This update is not available under the former Siemens OEM brand name SiNVR. For details contact PKE ( https://pke.at/). Siemens recommends specific countermeasures to mitigate the vulnerabilities.

  • ICSA-19-344-02Siemens and PKE SiNVR, SiVMS Video Server (Update A)2019-12-10icsa · cisa_csaf_otUS

    Successful exploitation of these vulnerabilities could allow an attacker to read the SiVMS/SiNVR users database, including the passwords of all users in obfuscated cleartext and configuration files.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcisa_csaf_otnvdsiemens_psirtNVDCVE.orgMITRE
published 2019-12-12modified 2026-06-17
08

references (8)

External citations — patches, advisories, analysis.

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