CVE-2020-7611

CRITICALNVD 9.89.8—

9.8

All versions of io.micronaut:micronaut-http-client before 1.2.11 and all versions from 1.3.0 before 1.3.2 are vulnerable to HTTP Request Header Injection due to not validating request headers passed to the client.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 66.2%
KEV: Not listed

Published

March 30, 2020

Last Modified

November 21, 2024

References (6)

report@snykhttps://github.com/micronaut-projects/micronaut-core/commit/9d1eff5c8df1d6cda1fe00ef046729b2a6abe7f1
report@snykhttps://github.com/micronaut-projects/micronaut-core/security/advisories/GHSA-694p-xrhg-x3wm
report@snykhttps://snyk.io/vuln/SNYK-JAVA-IOMICRONAUT-561342
af854a3a-2127-422b-91ae-364da2661108https://github.com/micronaut-projects/micronaut-core/commit/9d1eff5c8df1d6cda1fe00ef046729b2a6abe7f1
af854a3a-2127-422b-91ae-364da2661108https://github.com/micronaut-projects/micronaut-core/security/advisories/GHSA-694p-xrhg-x3wm
af854a3a-2127-422b-91ae-364da2661108https://snyk.io/vuln/SNYK-JAVA-IOMICRONAUT-561342

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
io.micronaut:micronaut-http-client	1.3.0, 1.3.1	1.3.2	—

Weakness Classification(1)

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

CWE-444Inconsistent Interpretation of HTTP Requests (HTTP Request Smuggling)

Data Freshness Timeline

(refreshed 8× in last 7d / 8× 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.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 05:46 UTCEG score recompute
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
2026-05-24 21:12 UTCOSV refresh

Frequently asked(5)

What is CVE-2020-7611?

CVE-2020-7611 is a critical vulnerability published on March 30, 2020. All versions of io.micronaut:micronaut-http-client before 1.2.11 and all versions from 1.3.0 before 1.3.2 are vulnerable to HTTP Request Header Injection due to not validating request headers passed to the client.

When was CVE-2020-7611 disclosed?

CVE-2020-7611 was first published in the National Vulnerability Database on March 30, 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-2020-7611 actively exploited?

CVE-2020-7611 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-7611?

CVE-2020-7611 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2020-7611?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-7611, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-7611

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