How severe is CVE-2016-2171?

CVE-2016-2171 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2016-2171 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 43% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-2171?

CVE-2016-2171 affects Apache Jetspeed. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-2171?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-2171 published?

CVE-2016-2171 was published on 2016-04-11 and last updated on 2026-06-17.

CVE-2016-2171

CVE-2016-2171 is a high-severity vulnerability in Apache Jetspeed with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 43% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-264.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.4
EPSS exploit prediction: 43% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Apache Jetspeed
Published: 2016-04-11
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2016-2171?: 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.
How severe is CVE-2016-2171?: CVE-2016-2171 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2016-2171 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 43% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-2171?: CVE-2016-2171 affects Apache Jetspeed. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-2171?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-2171 published?: CVE-2016-2171 was published on 2016-04-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:jetspeed:*:*:*:*:*:*:*:*

More vulnerabilities in Apache Jetspeed

CVE-2022-32533 — Critical (CVSS 9.8): Apache Jetspeed-2 does not sufficiently filter untrusted user input by default leading to a number of issues including…
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CVE-2016-0712 — Medium (CVSS 6.1): Cross-site scripting (XSS) vulnerability in Apache Jetspeed before 2.3.1 allows remote attackers to inject arbitrary…
CVE-2016-0711 — Medium (CVSS 6.1): Multiple cross-site scripting (XSS) vulnerabilities in Apache Jetspeed before 2.3.1 allow remote attackers to inject…

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