How severe is CVE-2020-26803?

CVE-2020-26803 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-26803 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26803?

CVE-2020-26803 affects Sapplica Sentrifugo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-26803?

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

When was CVE-2020-26803 published?

CVE-2020-26803 was published on 2020-11-12 and last updated on 2026-06-17.

CVE-2020-26803

CVE-2020-26803 is a high-severity vulnerability in Sapplica Sentrifugo with a CVSS 3.x base score of 8.8. 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-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Sapplica Sentrifugo
Published: 2020-11-12
Last modified: 2026-06-17

Description

In Sentrifugo 3.2, users can upload an image under "Assets -> Add" tab. This "Upload Images" functionality is suffered from "Unrestricted File Upload" vulnerability so attacker can upload malicious files using this functionality and control the server.

Frequently asked questions

What is CVE-2020-26803?: In Sentrifugo 3.2, users can upload an image under "Assets -> Add" tab. This "Upload Images" functionality is suffered from "Unrestricted File Upload" vulnerability so attacker can upload malicious files using this functionality and control the server.
How severe is CVE-2020-26803?: CVE-2020-26803 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-26803 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26803?: CVE-2020-26803 affects Sapplica Sentrifugo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-26803?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-26803 published?: CVE-2020-26803 was published on 2020-11-12 and last updated on 2026-06-17.

References

https://fatihhcelik.blogspot.com/2020/10/sentrifugo-version-32-rce-authenticated_6.html

Affected products (1)

cpe:2.3:a:sapplica:sentrifugo:3.2:*:*:*:*:*:*:*

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