CVE-2020-8890

MEDIUMNVD 5.95.9—

5.9

An issue was discovered in MISP before 2.4.121. It mishandled time skew (between the machine hosting the web server and the machine hosting the database) when trying to block a brute-force series of invalid requests.

CVSS v3: 5.9
EG Score: 5.9(medium)
EPSS: 59.8%
KEV: Not listed

Published

February 12, 2020

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://github.com/MISP/MISP/commit/934c82819237b4edf1da64587b72a87bec5dd520
cve@mitrehttps://github.com/MISP/MISP/commit/c1a0b3b2809b21b4df8c1efbc803aff700e262c3
cve@mitrehttps://github.com/MISP/MISP/compare/v2.4.120...v2.4.121
af854a3a-2127-422b-91ae-364da2661108https://github.com/MISP/MISP/commit/934c82819237b4edf1da64587b72a87bec5dd520
af854a3a-2127-422b-91ae-364da2661108https://github.com/MISP/MISP/commit/c1a0b3b2809b21b4df8c1efbc803aff700e262c3
af854a3a-2127-422b-91ae-364da2661108https://github.com/MISP/MISP/compare/v2.4.120...v2.4.121

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-367Time-of-check Time-of-use (TOCTOU) Race Condition

Data Freshness Timeline

(refreshed 10× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 07:52 UTCEG score recompute
2026-05-27 07:52 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-23 07:01 UTCOSV refresh

Frequently asked(5)

What is CVE-2020-8890?

CVE-2020-8890 is a medium vulnerability published on February 12, 2020. An issue was discovered in MISP before 2.4.121. It mishandled time skew (between the machine hosting the web server and the machine hosting the database) when trying to block a brute-force series of invalid requests.

When was CVE-2020-8890 disclosed?

CVE-2020-8890 was first published in the National Vulnerability Database on February 12, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-8890 actively exploited?

CVE-2020-8890 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 59.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-8890?

CVE-2020-8890 has a CVSS v3 base score of 5.9 (NVD).

How do I remediate CVE-2020-8890?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-8890, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2020-8890

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-8890?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)