How severe is CVE-2020-11811?

CVE-2020-11811 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-2020-11811 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11811?

CVE-2020-11811 affects Qdpm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-11811?

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-2020-11811 published?

CVE-2020-11811 was published on 2020-04-16 and last updated on 2026-06-17.

CVE-2020-11811

CVE-2020-11811 is a critical-severity vulnerability in Qdpm 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Qdpm
Published: 2020-04-16
Last modified: 2026-06-17

Description

In qdPM 9.1, an attacker can upload a malicious .php file to the server by exploiting the Add Profile Photo capability with a crafted content-type value. After that, the attacker can execute an arbitrary command on the server using this malicious file.

Frequently asked questions

What is CVE-2020-11811?: In qdPM 9.1, an attacker can upload a malicious .php file to the server by exploiting the Add Profile Photo capability with a crafted content-type value. After that, the attacker can execute an arbitrary command on the server using this malicious file.
How severe is CVE-2020-11811?: CVE-2020-11811 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-2020-11811 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11811?: CVE-2020-11811 affects Qdpm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-11811?: 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-2020-11811 published?: CVE-2020-11811 was published on 2020-04-16 and last updated on 2026-06-17.

References

https://fatihhcelik.blogspot.com/2020/01/qdpm-web-based-project-management.html

Affected products (1)

cpe:2.3:a:qdpm:qdpm:9.1:*:*:*:*:*:*:*

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