How severe is CVE-2020-28872?

CVE-2020-28872 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-2020-28872 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28872?

CVE-2020-28872 affects Monitorr. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28872?

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-2020-28872 published?

CVE-2020-28872 was published on 2021-04-12 and last updated on 2026-06-17.

CVE-2020-28872

CVE-2020-28872 is a critical-severity vulnerability in Monitorr 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-863.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Monitorr
Published: 2021-04-12
Last modified: 2026-06-17

Description

An authorization bypass vulnerability in Monitorr v1.7.6m in Monitorr/assets/config/_installation/_register.php allows an unauthorized person to create valid credentials.

Frequently asked questions

What is CVE-2020-28872?: An authorization bypass vulnerability in Monitorr v1.7.6m in Monitorr/assets/config/_installation/_register.php allows an unauthorized person to create valid credentials.
How severe is CVE-2020-28872?: CVE-2020-28872 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-2020-28872 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28872?: CVE-2020-28872 affects Monitorr. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28872?: 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-2020-28872 published?: CVE-2020-28872 was published on 2021-04-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:monitorr:monitorr:1.7.6m:*:*:*:*:*:*:*

More vulnerabilities in Monitorr

CVE-2020-28871 — Critical (CVSS 9.8): Remote code execution in Monitorr v1.7.6m in upload.php allows an unauthorized person to execute arbitrary code on the…
CVE-2023-26775 — High (CVSS 7.8): File Upload vulnerability found in Monitorr v.1.7.6 allows a remote attacker t oexecute arbitrary code via a crafted…
CVE-2023-26776 — Medium (CVSS 6.1): Cross Site Scripting vulnerability found in Monitorr v.1.7.6 allows a remote attacker to execute arbitrary code via the…
CVE-2025-7060 — Medium (CVSS 4.1): A vulnerability was found in Monitorr up to 1.7.6m. It has been classified as problematic. This affects an unknown part…

All CVEs affecting Monitorr →

Other CWE-863 (Incorrect Authorization) vulnerabilities

CVE-2026-48286 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9396 and earlier are affected by an Incorrect Authorization…
CVE-2026-48303 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization…
CVE-2026-44330 — Critical (CVSS 10.0): free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the…
CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-863 (Incorrect Authorization) vulnerabilities →