CVE-2020-7591

highpriority · track · 36EPSS 0.015 · 74 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.48% (74th) EPSS

CVSS 8.5 · high

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-25

A vulnerability has been identified in SIPORT MP (All versions < 3.2.1). Vulnerable versions of the device could allow an authenticated attacker to impersonate other users of the system and perform (potentially administrative) actions on behalf of those users if the single sign-on feature ("Allow logon without password") is enabled.

remediations

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

A vendor fix is available.

FixedSIPORT MPcisa_csaf_ot
Update to version 3.2.1
https://support.industry.siemens.com/cs/ww/en/view/109781856
MitigationSIPORT MPcisa_csaf_ot
For installations where the update to version 3.2.1 is not possible: contact your local Siemens support for deployment-specific mitigation measures

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.08.5highAV:N/AC:M/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 6.8 · impact 10

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:Csecondary · CISA US

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USCWE-603USCWE-603US

affected products (4)

Products and version ranges known to be affected.

Siemens SIPORT MP: All versions < 3.2.1all versionscisa_csaf_otUS
Siemens SIPORT MP< 3.2.1cisa_csaf_otUS
Siemens SIPORT MPAll versions → 3.2.1enisa_euvdEU
siemens siport mp< 3.2.1nvdUScpe:2.3:a:siemens:siport_mp:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-20-287-06Siemens SIPORT MP2020-10-13icsa · cisa_csaf_otUS
As a general security measure Siemens strongly recommends to protect network access to affected products with appropriate mechanisms. It is advised to follow recommended security practices in order to run the devices

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2020-10-15modified 2026-06-17

references (9)

External citations — patches, advisories, analysis.

scry

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