OCTOBER 3, 2026
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Case File

CVE-2020-15917

CRITICAL · CVSS 9.8 EPSS 2.59%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-07-23 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.

CVE
CVE-2020-15917
Severity
CRITICAL
CVSS
9.8
EPSS
2.59%

Original NVD Description

common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.

Related CVEs

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