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CVE-2016-9879

25
FAUCET Score

CVE-2016-9879 describes a security bypass vulnerability in Pivotal Spring Security versions prior to 3.2.10, 4.1.4, and 4.2.1, affecting products like IBM WebSphere Application Server. Attackers can bypass security constraints by adding URL path parameters with encoded slashes, exploiting inconsistencies in Servlet Specification handling of path parameters. This vulnerability has a CVSS v3 score of 7.5 (High), indicating a network-exploitable, low-complexity attack that can lead to high integrity impact without user interaction. While the vulnerability is known to affect IBM WebSphere Application Server 8.5.x, there is no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
3.2.0CPE matchmatch criteria
cpe:2.3:a:vmware:spring_security:3.2.0:*:*:*:*:*:*:*
3.2.1CPE matchmatch criteria
cpe:2.3:a:vmware:spring_security:3.2.1:*:*:*:*:*:*:*
3.2.2CPE matchmatch criteria
cpe:2.3:a:vmware:spring_security:3.2.2:*:*:*:*:*:*:*
3.2.3CPE matchmatch criteria
cpe:2.3:a:vmware:spring_security:3.2.3:*:*:*:*:*:*:*
3.2.4CPE matchmatch criteria
cpe:2.3:a:vmware:spring_security:3.2.4:*:*:*:*:*:*:*

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
1.42%
Probability of exploitation in next 30 days
EPSS Percentile
70.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0142 is in the 51st 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

Patch Available

Vendor Patches (7)

mavenpatch availablevia ghsa
Product: org.springframework.security:spring-security-coreFixed in: 3.2.10.RELEASE
mavenpatch availablevia ghsa
Product: org.springframework.security:spring-security-coreFixed in: 4.1.4.RELEASE
mavenpatch availablevia ghsa
Product: org.springframework.security:spring-security-coreFixed in: 4.2.1.RELEASE
redhatpatch availablevia redhat_api
Product: Red Hat JBoss A-MQ 6.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Fuse 6.3
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Virtualization 3Fixed in: jasperreports-server-pro
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Enterprise 2Fixed in: spring-security-core

Vendor Advisories (2)

mavenGHSA-v35c-49j6-q8hqhigh

Security Constraint Bypass in Spring Security

Sep 15, 2020
redhatCVE-2016-9879Moderate

Security: Improper handling of path parameters allows bypassing the security constraint

Dec 28, 2016

References

access.redhat.com / errata/RHSA-2017:1832
pivotal.io / security/cve-2016-9879
Mailing ListVendor Advisory
securityfocus.com / bid/95142