No exploitation reportedFix available

CVE-2020-8892

Q: Is CVE-2020-8892 actively exploited?

Active exploitation of CVE-2020-8892 has not been confirmed. Its EPSS score was 1.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2020-8892?

CVE-2020-8892 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2020-02-12
Fixed in2.4.121

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered in MISP before 2.4.121. It did not consider the HTTP PUT method when trying to block a brute-force series of invalid requests.

Timeline

dates in UTC

2020-02-1200:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-8892?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-8892?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Misp-project misp

Branch	Affected	Fixed in	Source
2.4	< 2.4.121	2.4.121	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Misp-project misp to 2.4.121

Advisories and patches

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.18.1read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
FIRST EPSSEPSS score1.7 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2020-02-12
Last Modified: 2026-06-22
NVD status: Modified

Frequently asked questions

What is CVE-2020-8892?

An issue was discovered in MISP before 2.4.121. It did not consider the HTTP PUT method when trying to block a brute-force series of invalid requests.

Is CVE-2020-8892 actively exploited?

Active exploitation of CVE-2020-8892 has not been confirmed. Its EPSS score was 1.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-8892?

CVE-2020-8892 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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