Is CVE-2016-10027 in the CISA KEV catalog?

No. CVE-2016-10027 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-10027?

CVE-2016-10027 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2016-10027?

CVE-2016-10027 has an EPSS score of 1.52% (72th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-10027?

Upgrade smack to 4.1.9 or later.

CVE & CISA-KEV Catalog

CVE-2016-10027

MEDIUMEPSS 72th pctl

5.9

CVSS v3

NVD

Description

Race condition in the XMPP library in Smack before 4.1.9, when the SecurityMode.required TLS setting has been set, allows man-in-the-middle attackers to bypass TLS protections and trigger use of cleartext for client authentication by stripping the "starttls" feature from a server response.

CWE-362Race Condition

How to fix

Remediation Available

smackNVD

Affected:< 4.1.9Fixed in:4.1.9CVE-2016-10027derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

1.52%probability of exploitation in 30 days

72ndpercentile

Elevated risk: more likely to be exploited than 72% of all known CVEs.

References

Patch3

Vendor Advisory2

Third-Party Advisory1

securityfocus.com

Other references1

lists.fedoraproject.org

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	KEV	Fix

Embed a live status badge for CVE-2016-10027

Markdown

[![CVE-2016-10027](https://tridentstack.com/cve/badge/CVE-2016-10027.svg)](https://tridentstack.com/cve/CVE-2016-10027)

HTML

<a href="https://tridentstack.com/cve/CVE-2016-10027"><img src="https://tridentstack.com/cve/badge/CVE-2016-10027.svg" alt="CVE-2016-10027"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.