How severe is CVE-2020-12103?

CVE-2020-12103 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-12103 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12103?

CVE-2020-12103 affects Prasathmani Tiny File Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-12103?

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-2020-12103 published?

CVE-2020-12103 was published on 2020-04-28 and last updated on 2026-06-17.

CVE-2020-12103

CVE-2020-12103 is a high-severity vulnerability in Prasathmani Tiny File Manager with a CVSS 3.x base score of 7.7. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.7)
CVSS v2: 4.0
EPSS exploit prediction: 1% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Prasathmani Tiny File Manager
Published: 2020-04-28
Last modified: 2026-06-17

Description

In Tiny File Manager 2.4.1 there is a vulnerability in the ajax file backup copy functionality which allows authenticated users to create backup copies of files (with .bak extension) outside the scope in the same directory in which they are stored.

Frequently asked questions

What is CVE-2020-12103?: In Tiny File Manager 2.4.1 there is a vulnerability in the ajax file backup copy functionality which allows authenticated users to create backup copies of files (with .bak extension) outside the scope in the same directory in which they are stored.
How severe is CVE-2020-12103?: CVE-2020-12103 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-12103 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12103?: CVE-2020-12103 affects Prasathmani Tiny File Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-12103?: 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-2020-12103 published?: CVE-2020-12103 was published on 2020-04-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:prasathmani:tiny_file_manager:2.4.1:*:*:*:*:*:*:*

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