CVE-2016-2171

HIGHNVD 7.57.5—Elevated

7.5

The User Manager service in Apache Jetspeed before 2.3.1 does not properly restrict access using Jetspeed Security, which allows remote attackers to (1) add, (2) edit, or (3) delete users via the REST API.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 95.1%
KEV: Not listed

Published

April 11, 2016

Last Modified

May 6, 2026

References (6)

secalert@redhathttp://haxx.ml/post/140552592371/remote-code-execution-in-apache-jetspeed-230-and
secalert@redhathttp://mail-archives.apache.org/mod_mbox/portals-jetspeed-user/201603.mbox/%3CB9165E38-F3D8-496D-8642-8A53FCAC736A%40gmail.com%3E
secalert@redhathttps://portals.apache.org/jetspeed-2/security-reports.html#CVE-2016-2171
af854a3a-2127-422b-91ae-364da2661108http://haxx.ml/post/140552592371/remote-code-execution-in-apache-jetspeed-230-and
af854a3a-2127-422b-91ae-364da2661108http://mail-archives.apache.org/mod_mbox/portals-jetspeed-user/201603.mbox/%3CB9165E38-F3D8-496D-8642-8A53FCAC736A%40gmail.com%3E
af854a3a-2127-422b-91ae-364da2661108https://portals.apache.org/jetspeed-2/security-reports.html#CVE-2016-2171

Data Freshness Timeline

(refreshed 8× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-07 15:22 UTCEPSS rescore
2026-06-07 15:22 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
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2026-06-04 13:10 UTCEPSS rescore
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2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
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2026-05-31 22:28 UTCEPSS rescore
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2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
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2026-05-27 13:38 UTCEPSS rescore
2026-05-27 13:38 UTCEPSS rescore
2026-05-26 13:42 UTCEPSS rescore

Frequently asked(5)

What is CVE-2016-2171?

CVE-2016-2171 is a high vulnerability published on April 11, 2016. The User Manager service in Apache Jetspeed before 2.3.1 does not properly restrict access using Jetspeed Security, which allows remote attackers to (1) add, (2) edit, or (3) delete users via the REST API.

When was CVE-2016-2171 disclosed?

CVE-2016-2171 was first published in the National Vulnerability Database on April 11, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2016-2171 actively exploited?

CVE-2016-2171 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2016-2171?

CVE-2016-2171 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2016-2171?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-2171, 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.

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CVE-2016-2171

📅 Published

🔄 Last Modified

🔗 References (6)