How severe is CVE-2020-29597?

CVE-2020-29597 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-2020-29597 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-29597?

CVE-2020-29597 affects Incomcms Project Incomcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-29597?

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-2020-29597 published?

CVE-2020-29597 was published on 2020-12-07 and last updated on 2026-06-17.

CVE-2020-29597

CVE-2020-29597 is a critical-severity vulnerability in Incomcms Project Incomcms with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 72% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 72% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Incomcms Project Incomcms
Published: 2020-12-07
Last modified: 2026-06-17

Description

IncomCMS 2.0 has a modules/uploader/showcase/script.php insecure file upload vulnerability. This vulnerability allows unauthenticated attackers to upload files into the server.

Frequently asked questions

What is CVE-2020-29597?: IncomCMS 2.0 has a modules/uploader/showcase/script.php insecure file upload vulnerability. This vulnerability allows unauthenticated attackers to upload files into the server.
How severe is CVE-2020-29597?: CVE-2020-29597 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-2020-29597 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 72% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-29597?: CVE-2020-29597 affects Incomcms Project Incomcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29597?: 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-2020-29597 published?: CVE-2020-29597 was published on 2020-12-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:incomcms_project:incomcms:2.0:*:*:*:*:*:*:*

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