HOMEVULNERABILITIESCVE-2020-26868
HIGH

CVE-2020-26868

CWE-767Published: October 12, 2020· Updated: Jul 9, 2026

7.5
CVSS v3.1

Official Description

ARC Informatique PcVue prior to version 12.0.17 is vulnerable to a denial-of-service attack due to the ability of an unauthorized user to modify information used to validate messages sent by legitimate web clients. This issue also affects third-party systems based on the Web Services Toolkit.

NVD Source

Technical Analysis

CVE-2020-26868 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

arcinfo1 product(s)
pcvue
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://us-cert.cisa.gov/ics/advisories/icsa-20-308-03
ADVISORYhttps://www.pcvuesolutions.com/security
ADVISORYhttps://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1
ADVISORYhttps://us-cert.cisa.gov/ics/advisories/icsa-20-308-03
ADVISORYhttps://www.pcvuesolutions.com/security
ADVISORYhttps://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1

All References (8)

→
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/10/09/klcert-20-016-denial-of-service-in-arc-informatique-pcvue/Broken Link
→
https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03Third Party Advisory · US Government Resource
→
https://www.pcvuesolutions.com/securityVendor Advisory
→
https://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1Permissions Required · Vendor Advisory
→
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/10/09/klcert-20-016-denial-of-service-in-arc-informatique-pcvue/Broken Link
→
https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03Third Party Advisory · US Government Resource
→
https://www.pcvuesolutions.com/securityVendor Advisory
→
https://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1Permissions Required · Vendor Advisory

Quick Facts

CVE IDCVE-2020-26868
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-767
CISA KEVNo
Affected1 vendor(s)
PublishedOct 12, 2020

Related CVEs (CWE-767)

CVE-2024-36463
8.8
CVE-2016-8380
7.3
CVE-2024-34162
5.3

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-26868 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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