ARC Informatique PcVue Exposure of Sensitive Information to an Unauthorized Actor

published 2020-10-12 6 y ago modified 2026-07-09 4 mo ago also EUVD-2020-19405

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.7%; EPSS 1.7% chance of exploitation in 30 days, percentile 76%
public exploits: 0; none known

ARC Informatique PcVue prior to version 12.0.17 is vulnerable to information exposure, allowing unauthorized users to access session data of legitimate users. This issue also affects third-party systems based on the Web Services Toolkit.

Patch / fix

fixed in 1

arcinfo pcvue 12.0.17

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-20-308-03 updated 2021-01-05 cvss 7.5

ARC Informatique PcVue (Update A)

ARC Informatique PcVue >= 8.10, < 12.0.17
affected: vendor fix, mitigation “Patches are available for Version 12 (12.0.17 Maintenance Release) and Version 11.2 (11.2.06097 Update).” pcvuesolutions.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.67% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

ARC Informatique PcVue

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

pcvuesolutions.com /security
vendor-advisory
pcvuesolutions.com /support/index.php/en/security-bulletin/1076-security-bulletin-2020-1
permissions-required, vendor-advisory
us-cert.cisa.gov /ics/advisories/icsa-20-308-03
third-party-advisory, us-government-resource
ics-cert.kaspersky.com /advisories/klcert-advisories/2020/10/09/klcert-20-017-session-information-exposure-in-arc-informatique-pcvue/
broken-link

Sources

CVE List CVE-2020-26869
NVD CVE-2020-26869

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary