CVE-2019-0231 | Apache MINA SSLFilter security Issue

Handling of the close_notify SSL/TLS message does not lead to a connection closure, leading the server to retain the socket opened and to have the client potentially receive clear text messages afterward. Mitigation: 2.0.20 users should migrate to 2.0.21, 2.1.0 users should migrate to 2.1.1. This issue affects: Apache MINA.

Published: 2019-10-01 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-0231 is rated Moderate Risk (59.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.20%). EPSS rose +1.47% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-0231

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.73% 2.20% +1.47%
2 2025-11-21 0.49% 0.73% +0.24%
3 2025-11-18 — 0.49% —

Full EPSS history (19 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-0231

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2019-0231

GitHub Security Advisory for CVE-2019-0231

GHSA-5h29-qq92-wj7f · Severity: high · Ecosystem: maven — Cleartext Transmission of Sensitive Information in Apache MINA

OS Trackers for CVE-2019-0231

vendor priority summary link
debian not yet assigned CVE-2019-0231 not yet assigned priority: Debian including 2 source packages (mina, mina2), 7 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5, open 2. https://security-tracker.debian.org/tracker/CVE-2019-0231
redhat medium — https://access.redhat.com/security/cve/CVE-2019-0231
ubuntu medium CVE-2019-0231 medium priority: Ubuntu including 2 source packages (mina, mina2), 18 status rows across 9 suites (bionic, focal, jammy, noble, oracular, plucky, questing, upstream, xenial): needs-triage 9, not-affected 5, ignored 2, DNE 1, released 1. https://ubuntu.com/security/CVE-2019-0231

Affected software / configurations for CVE-2019-0231

Vendor Product Version Raw CPE
apache mina 2.0.20 cpe:2.3:a:apache:mina:2.0.20:*:*:*:*:*:*:*
apache mina 2.1.1 cpe:2.3:a:apache:mina:2.1.1:*:*:*:*:*:*:*

References for CVE-2019-0231

cvelogic Threat Intelligence