CVE-2020-12026

mediumpriority · track · 36EPSS 0.023 · 83 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.31% (83rd) EPSS

CVSS 6.5 · medium

Is it mine?

7 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple relative path traversal vulnerabilities exist that may allow a low privilege user to overwrite files outside the application’s control.

remediations

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

No vendor fix yet; a mitigation is available.

MitigationWebAccess Nodecisa_csaf_ot
Note: Upon installation, there is a step to let the user decide whether to define a password code for RPC calls. If the user leaves this blank, the installation will pop up a warning to the user for potential risks that they are willing to take.

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⚠ sources disagree · medium–high · 6.5–8.8

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 6.4

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

v3.08highCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Hsecondary · 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-22USprimaryCWE-23USCWE-23US

affected products (7)

Products and version ranges known to be affected.

WebAccess Node: Version 8.4.4 and priorall versionscisa_csaf_otUS
WebAccess Node: Version 9.0.0all versionscisa_csaf_otUS
Advantech WebAccess Node≤ 8.4.4cisa_csaf_otUS
Advantech WebAccess Nodeall versionscisa_csaf_otUS
n/a Advantech WebAccess Node≤ WebAccess Node Version 8.4.4 and prior, WebAccess Node Version 9.0.0enisa_euvdEU
advantech webaccess≤ 8.4.4nvdUScpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*
advantech webaccess= 9.0.0nvdUScpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-20-128-01Advantech WebAccess Node2020-05-07icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities may allow information disclosure, remote code execution, and compromise system availability.

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 2020-05-08modified 2026-06-17

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+12527 more

references (11)

External citations — patches, advisories, analysis.

scry

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