How severe is CVE-2020-12473?

CVE-2020-12473 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-12473 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12473?

CVE-2020-12473 affects Mono Monox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-12473?

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-2020-12473 published?

CVE-2020-12473 was published on 2020-04-29 and last updated on 2026-06-17.

CVE-2020-12473

CVE-2020-12473 is a high-severity vulnerability in Mono Monox with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 9.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mono Monox
Published: 2020-04-29
Last modified: 2026-06-17

Description

MonoX through 5.1.40.5152 allows admins to execute arbitrary programs by reconfiguring the Converter Executable setting from ffmpeg.exe to a different program.

Frequently asked questions

What is CVE-2020-12473?: MonoX through 5.1.40.5152 allows admins to execute arbitrary programs by reconfiguring the Converter Executable setting from ffmpeg.exe to a different program.
How severe is CVE-2020-12473?: CVE-2020-12473 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-12473 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12473?: CVE-2020-12473 affects Mono Monox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-12473?: 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-2020-12473 published?: CVE-2020-12473 was published on 2020-04-29 and last updated on 2026-06-17.

References

https://github.com/belong2yourself/vulnerabilities/tree/master/MonoX%20CMS/Privilege%20Escalation%20via%20ConvertVideo

Affected products (1)

cpe:2.3:a:mono:monox:*:*:*:*:*:*:*:*

More vulnerabilities in Mono Monox

CVE-2020-12471 — Critical (CVSS 9.8): MonoX through 5.1.40.5152 allows remote code execution via HTML5Upload.ashx or…
CVE-2020-12470 — High (CVSS 7.2): MonoX through 5.1.40.5152 allows administrators to execute arbitrary code by modifying an ASPX template.
CVE-2020-12472 — Medium (CVSS 5.4): MonoX through 5.1.40.5152 allows stored XSS via User Status, Blog Comments, or Blog Description.

All CVEs affecting Mono Monox →