How severe is CVE-2018-12993?

CVE-2018-12993 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-2018-12993 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12993?

CVE-2018-12993 affects Onefilecms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12993?

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-2018-12993 published?

CVE-2018-12993 was published on 2018-06-29 and last updated on 2026-06-17.

CVE-2018-12993

CVE-2018-12993 is a critical-severity vulnerability in Onefilecms 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-307.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Onefilecms
Published: 2018-06-29
Last modified: 2026-06-17

Description

onefilecms.php in OneFileCMS through 2012-04-14 might allow attackers to conduct brute-force attacks via the onefilecms_username and onefilecms_password fields.

Frequently asked questions

What is CVE-2018-12993?: onefilecms.php in OneFileCMS through 2012-04-14 might allow attackers to conduct brute-force attacks via the onefilecms_username and onefilecms_password fields.
How severe is CVE-2018-12993?: CVE-2018-12993 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-2018-12993 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12993?: CVE-2018-12993 affects Onefilecms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12993?: 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-2018-12993 published?: CVE-2018-12993 was published on 2018-06-29 and last updated on 2026-06-17.

References

https://github.com/rocktronica/OneFileCMS/issues/6

Affected products (1)

cpe:2.3:a:onefilecms:onefilecms:*:*:*:*:*:*:*:*

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