CVE-2020-26867

highpriority · track · 40EPSS 0.038 · 90 %ileEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
3.75% (90th) EPSS
CVSS 7.5 · high
Is it mine?
5 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

ARC Informatique PcVue prior to version 12.0.17 is vulnerable due to the deserialization of untrusted data, which may allow an attacker to remotely execute arbitrary code on the web and mobile back-end server.

01

remediations

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

A vendor fix is available.

  • FixedPcVuecisa_csaf_ot

    ARC Informatique recommends upgrading PcVue to v12.0.17. Contact PcVue Support to receive instructions on downloading and installing the latest software version.

    https://www.pcvuesolutions.com/index.php/support-request-en?view=form
  • MitigationPcVuecisa_csaf_ot

    Harden firewall configuration by ensuring that incoming connections on the corresponding port are authorized only if initiated by the IIS Web Server process. The listening port is configurable (default 8090) and may have been changed on the system using the Application Explorer.

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 · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9
v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US
v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · vulnerability@kaspersky.comexploitability 3.9 · impact 5.9
v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

affected products (5)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-20-308-03ARC Informatique PcVue (Update A)2020-11-03icsa · cisa_csaf_otUS

    Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code, expose sensitive data, and prevent legitimate users from connecting to PcVue services.

06

also known as (4)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

09

references (15)

External citations — patches, advisories, analysis.

scry

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