How severe is CVE-2018-12649?

CVE-2018-12649 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-2018-12649 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12649?

CVE-2018-12649 affects Misp-project Misp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12649?

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-2018-12649 published?

CVE-2018-12649 was published on 2018-06-22 and last updated on 2026-06-22.

CVE-2018-12649

CVE-2018-12649 is a critical-severity vulnerability in Misp-project Misp 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% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Misp-project Misp
Published: 2018-06-22
Last modified: 2026-06-22

Description

An issue was discovered in app/Controller/UsersController.php in MISP 2.4.92. An adversary can bypass the brute-force protection by using a PUT HTTP method instead of a POST HTTP method in the login part, because this protection was only covering POST requests.

Frequently asked questions

What is CVE-2018-12649?: An issue was discovered in app/Controller/UsersController.php in MISP 2.4.92. An adversary can bypass the brute-force protection by using a PUT HTTP method instead of a POST HTTP method in the login part, because this protection was only covering POST requests.
How severe is CVE-2018-12649?: CVE-2018-12649 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-2018-12649 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12649?: CVE-2018-12649 affects Misp-project Misp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12649?: 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-2018-12649 published?: CVE-2018-12649 was published on 2018-06-22 and last updated on 2026-06-22.

References

https://github.com/MISP/MISP/commit/6ffacc1e239930e0e8464d0ca16e432e26cf36a9

Affected products (1)

cpe:2.3:a:misp-project:misp:2.4.92:*:*:*:*:*:*:*

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