CVE-2020-26869

ARC Informatique PcVue Exposure of Sensitive Information to an Unauthorized Actor

7.5 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

1.67%Up 0.3 points since Apr 14, 2021

What each source reports

CVE List Score used 7.5

ARC Informatique PcVue Exposure of Sensitive Information to an Unauthorized Actor

Record: CVE-2020-26869
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

EUVDEUVD-2020-19405 7.5

Record: EUVD-2020-19405
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-54qf-rgfj-w8gm 7.5

An information exposure vulnerability exists in PcVue 12, allowing a non-authorized user to...

An information exposure vulnerability exists in PcVue 12, allowing a non-authorized user to access session data of legitimate users.

Record: GHSA-54qf-rgfj-w8gm
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

NVD 7.5

Record: CVE-2020-26869
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-26869 is a high vulnerability (CVSS 7.5) in Arc Informatique Pcvue, published October 12, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.67%, the 76th percentile. No source names a fixed version.