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CVE-2016-2171

44
FAUCET Score

CVE-2016-2171 describes an improper access restriction vulnerability in the User Manager service of Apache Jetspeed prior to version 2.3.1. This flaw allows unauthenticated remote attackers to add, edit, or delete user accounts via the REST API. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low complexity, leading to high integrity impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.3.0CPE matchmatch criteria
cpe:2.3:a:apache:jetspeed:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
42.67%
Probability of exploitation in next 30 days
EPSS Percentile
98.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.4267 is in the 97th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

haxx.ml / post/140552592371/remote-code-execution-in-apache-jetspeed-230-and
mail-archives.apache.org / mod_mbox/portals-jetspeed-user/201603.mbox/%3CB9165E38-F3D8-496D-8642-8A53FCAC736A%40gmail.com%3E
Vendor Advisory
portals.apache.org / jetspeed-2/security-reports.html
PatchVendor Advisory