How severe is CVE-2020-15411?

CVE-2020-15411 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-2020-15411 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15411?

CVE-2020-15411 affects Misp-project Misp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15411?

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-2020-15411 published?

CVE-2020-15411 was published on 2020-06-30 and last updated on 2026-06-22.

CVE-2020-15411

CVE-2020-15411 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Misp-project Misp
Published: 2020-06-30
Last modified: 2026-06-22

Description

An issue was discovered in MISP 2.4.128. app/Controller/AttributesController.php has insufficient ACL checks in the attachment downloader.

Frequently asked questions

What is CVE-2020-15411?: An issue was discovered in MISP 2.4.128. app/Controller/AttributesController.php has insufficient ACL checks in the attachment downloader.
How severe is CVE-2020-15411?: CVE-2020-15411 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-2020-15411 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15411?: CVE-2020-15411 affects Misp-project Misp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15411?: 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-2020-15411 published?: CVE-2020-15411 was published on 2020-06-30 and last updated on 2026-06-22.

References

https://github.com/MISP/MISP/commit/d14ce7de709cdde3ecc9433e38e14c682894e88a

Affected products (1)

cpe:2.3:a:misp-project:misp:2.4.128:*:*:*:*:*:*:*

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