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CVE-2016-5019

35
FAUCET Score

CVE-2016-5019 is a critical deserialization vulnerability in Apache MyFaces Trinidad versions 1.0.0 through 1.0.13, 1.2.x before 1.2.15, 2.0.x before 2.0.2, and 2.1.x before 2.1.2. Attackers can exploit this flaw by submitting a specially crafted serialized view state string, leading to arbitrary code execution. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation or publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community attention with 11 mentions and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.0.0, < 1.0.13CPE matchmatch criteria
cpe:2.3:a:apache:myfaces_trinidad:*:*:*:*:*:*:*:*
>= 1.2.0, < 1.2.15CPE matchmatch criteria
cpe:2.3:a:apache:myfaces_trinidad:*:*:*:*:*:*:*:*
>= 2.0.0, < 2.0.2CPE matchmatch criteria
cpe:2.3:a:apache:myfaces_trinidad:*:*:*:*:*:*:*:*
>= 2.1.0, < 2.1.2CPE matchmatch criteria
cpe:2.3:a:apache:myfaces_trinidad:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
7.96%
Probability of exploitation in next 30 days
EPSS Percentile
94.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0796 is in the 89th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

mavenpatch availablevia ghsa
Product: org.apache.myfaces.trinidad:trinidadFixed in: 1.2.15
mavenpatch availablevia ghsa
Product: org.apache.myfaces.trinidad:trinidadFixed in: 2.0.2
mavenpatch availablevia ghsa
Product: org.apache.myfaces.trinidad:trinidadFixed in: 2.1.2
oraclepatch availablevia nvd_reference
View patch

Vendor Advisories (1)

mavenGHSA-x7rc-4gqw-3q6qcritical

Apache MyFaces Trinidad Deserialization Vulnerability

May 13, 2022

References

mail-archives.apache.org / mod_mbox/myfaces-users/201609.mbox/%3CCAM1yOjYM%2BEW3mLUfX0pNAVLfUFRAw-Bhvkp3UE5%3DEQzR8Yxsfw%40mail.gmail.com%3E
Mailing ListVendor Advisory
packetstormsecurity.com / files/138920/Apache-MyFaces-Trinidad-Information-Disclosure.html
Third Party AdvisoryVDB Entry
issues.apache.org / jira/browse/TRINIDAD-2542
Vendor Advisory
oracle.com / security-alerts/cpujan2020.html
oracle.com / security-alerts/cpujul2020.html
oracle.com / technetwork/security-advisory/cpuapr2018-3678067.html
Patch
oracle.com / technetwork/security-advisory/cpujul2016-2881720.html
Patch
oracle.com / technetwork/security-advisory/cpujul2017-3236622.html
Patch
oracle.com / technetwork/security-advisory/cpujul2018-4258247.html
Patch
oracle.com / technetwork/security-advisory/cpuoct2017-3236626.html
Patch
oracle.com / technetwork/security-advisory/cpuoct2018-4428296.html
Patch
securityfocus.com / bid/93236
Third Party AdvisoryVDB Entry
securitytracker.com / id/1037633
Third Party AdvisoryVDB Entry