How severe is CVE-2020-26867?

CVE-2020-26867 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-26867 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26867?

CVE-2020-26867 affects Arcinfo Pcvue. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-26867?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-26867 published?

CVE-2020-26867 was published on 2020-10-12 and last updated on 2026-07-09.

CVE-2020-26867

CVE-2020-26867 is a critical-severity vulnerability in Arcinfo Pcvue with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Arcinfo Pcvue
Published: 2020-10-12
Last modified: 2026-07-09

Description

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.

Frequently asked questions

What is CVE-2020-26867?: 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.
How severe is CVE-2020-26867?: CVE-2020-26867 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-26867 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26867?: CVE-2020-26867 affects Arcinfo Pcvue. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-26867?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-26867 published?: CVE-2020-26867 was published on 2020-10-12 and last updated on 2026-07-09.

References

Affected products (1)

cpe:2.3:a:arcinfo:pcvue:*:*:*:*:*:*:*:*

More vulnerabilities in Arcinfo Pcvue

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CVE-2020-26868 — High (CVSS 7.5): ARC Informatique PcVue prior to version 12.0.17 is vulnerable to a denial-of-service attack due to the ability of an…
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