How severe is CVE-2020-21125?

CVE-2020-21125 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-2020-21125 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-21125?

CVE-2020-21125 affects Ureport Project Ureport. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-21125?

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-2020-21125 published?

CVE-2020-21125 was published on 2021-09-15 and last updated on 2026-06-17.

CVE-2020-21125

CVE-2020-21125 is a critical-severity vulnerability in Ureport Project Ureport 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ureport Project Ureport
Published: 2021-09-15
Last modified: 2026-06-17

Description

An arbitrary file creation vulnerability in UReport 2.2.9 allows attackers to execute arbitrary code.

Frequently asked questions

What is CVE-2020-21125?: An arbitrary file creation vulnerability in UReport 2.2.9 allows attackers to execute arbitrary code.
How severe is CVE-2020-21125?: CVE-2020-21125 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-2020-21125 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-21125?: CVE-2020-21125 affects Ureport Project Ureport. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-21125?: 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-2020-21125 published?: CVE-2020-21125 was published on 2021-09-15 and last updated on 2026-06-17.

References

https://github.com/youseries/ureport/issues/485

Affected products (1)

cpe:2.3:a:ureport_project:ureport:2.2.9:*:*:*:*:*:*:*

More vulnerabilities in Ureport Project Ureport

CVE-2020-21124 — Critical (CVSS 9.8): UReport 2.2.9 allows attackers to execute arbitrary code due to a lack of access control to the designer page.
CVE-2023-24188 — Critical (CVSS 9.1): ureport v2.2.9 was discovered to contain a directory traversal vulnerability via the deletion function which allows for…
CVE-2023-24187 — High (CVSS 7.8): An XML External Entity (XXE) vulnerability in ureport v2.2.9 allows attackers to execute arbitrary code via uploading a…
CVE-2023-48848 — High (CVSS 7.5): An arbitrary file read vulnerability in ureport v2.2.9 allows a remote attacker to arbitrarily read files on the server…
CVE-2020-21122 — Medium (CVSS 5.3): UReport v2.2.9 contains a Server-Side Request Forgery (SSRF) in the designer page which allows attackers to detect…

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