CVE-2023-52354

HIGHNVD 7.57.5—

7.5

chasquid before 1.13 allows SMTP smuggling because LF-terminated lines are accepted.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 35.3%
KEV: Not listed

Published

January 22, 2024

Last Modified

June 17, 2025

References (2)

cve@mitrehttps://blitiri.com.ar/p/chasquid/relnotes/#113-2023-12-24
af854a3a-2127-422b-91ae-364da2661108https://blitiri.com.ar/p/chasquid/relnotes/#113-2023-12-24

Affected Packages

(2 across 1 ecosystem)

Go(2)

Package	Vulnerable range	Fixed in	Dependents
blitiri.com.ar/go/chasquid	—	1.13.0	—
github.com/albertito/chasquid	—	1.13	—

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 10× in last 7d / 18× 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 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 09:53 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-52354?

CVE-2023-52354 is a high vulnerability published on January 22, 2024. chasquid before 1.13 allows SMTP smuggling because LF-terminated lines are accepted.

When was CVE-2023-52354 disclosed?

CVE-2023-52354 was first published in the National Vulnerability Database on January 22, 2024, with the most recent update on June 17, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-52354 actively exploited?

CVE-2023-52354 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 35.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-52354?

CVE-2023-52354 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-52354?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-52354, 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-2023-52354

Explore →

Is Your Infrastructure Affected by CVE-2023-52354?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs