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CVE-2016-6199

31
FAUCET Score

CVE-2016-6199 is a critical deserialization vulnerability in Gradle 2.12, specifically within the ObjectSocketWrapper.java component. This flaw allows remote, unauthenticated attackers to execute arbitrary code by sending a specially crafted serialized object. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While there are no known public exploits in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
2.12CPE matchmatch criteria
cpe:2.3:a:gradle:gradle:2.12:*:*:*:*:*:*:*

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
4.67%
Probability of exploitation in next 30 days
EPSS Percentile
90.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0467 is in the 85th percentile among its peer group of 36,829 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

No media coverage found for this CVE.

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

Remediation

Vendor Advisories (1)

redhatCVE-2016-6199Important

gradle: Unsafe data deserialization in the ObjectSocketWrapper class

May 22, 2016

References

discuss.gradle.org / t/a-security-issue-about-gradle-rce/17726
ExploitTechnical DescriptionThird Party Advisory
philwantsfish.github.io / security/java-deserialization-github
Release NotesVendor Advisory