CVE-2017-3241JRockit Insecure Deserialization
Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded, JRockit.
Published Jan 17, 2017 · Updated Jun 1, 2026 · Also known as UBUNTU-CVE-2017-3241
Key Facts
Patch immediately- CVE-2017-3241 is a critical-severity vulnerability (CVSS 9.0 v3.1) affecting Jdk (Oracle), Jre (Oracle), JRockit (Oracle) and 22 more products.
- It is not listed in any known-exploited vulnerabilities catalog. A public exploit is reported by tracking sources, but no code link is listed yet.
- EPSS estimates a 33% probability of exploitation in the next 30 days.
- Fixed versions are available, including java 1.6.0-ibm-1:1.6.0.16.41-1jpp.1.el5_11, java 1.8.0-openjdk-1:1.8.0.121-0.b13.el7_3, java 1.8.0-oracle-1:1.8.0.121-1jpp.1.el6_8.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3.1
9.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
33%
Higher than 98.3% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
45/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
Vulnerability in the Java SE, Java SE Embedded, JRockit component of Oracle Java SE (subcomponent: RMI). Supported versions that are affected are Java SE: 6u131, 7u121 and 8u112; Java SE Embedded: 8u111; JRockit: R28.3.12. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded, JRockit.
While the vulnerability is in Java SE, Java SE Embedded, JRockit, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Java SE, Java SE Embedded, JRockit.
Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS v3.0 Base Score 9.0 (Confidentiality, Integrity and Availability impacts).
Affected Products
224 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| JdkOracle | 1.6-update_131, 1.7-update_121, 1.8-update_111, 1.8-update_112 | n/a |
| JreOracle | 1.6-update_131, 1.7-update_121, 1.8-update_111, 1.8-update_112 | n/a |
| JRockitOracle | r28.3.12, >= R28.3.12 | n/a |
| openjdk-11-openj9chainguard | See advisory | 0.53.0-r0 |
| openjdk-17-openj9chainguard | See advisory | 0.53.0-r0 |
Patched Releases
java
1.6.0-ibm-1:1.6.0.16.41-1jpp.1.el5_11, 1.8.0-openjdk-1:1.8.0.121-0.b13.el7_3, 1.8.0-oracle-1:1.8.0.121-1jpp.1.el6_8
java-1_7_0-openjdk
1.7.0.131-39.1, 1.7.0.131-40.1
java-1_7_0-openjdk-accessibility
1.7.0.131-40.1
java-1_7_0-openjdk-bootstrap
1.7.0.131-40.1
java-1_7_0-openjdk-bootstrap-devel
1.7.0.131-40.1
java-1_7_0-openjdk-bootstrap-headless
1.7.0.131-40.1
java-1_7_0-openjdk-demo
1.7.0.131-39.1, 1.7.0.131-40.1
java-1_7_0-openjdk-devel
1.7.0.131-39.1, 1.7.0.131-40.1
java-1_7_0-openjdk-headless
1.7.0.131-39.1, 1.7.0.131-40.1
java-1_7_0-openjdk-javadoc
1.7.0.131-40.1
java-1_7_0-openjdk-src
1.7.0.131-40.1
java-1_8_0-ibm
1.8.0_sr4.0-23.1
java-1_8_0-ibm-alsa
1.8.0_sr4.0-23.1
java-1_8_0-ibm-devel
1.8.0_sr4.0-23.1
java-1_8_0-ibm-plugin
1.8.0_sr4.0-23.1
java-1_8_0-openjdk
1.8.0.121-20.1, 1.8.0.121-6.4, 1.8.0.302-2.2
java-1_8_0-openjdk-accessibility
1.8.0.121-6.4, 1.8.0.302-2.2
java-1_8_0-openjdk-demo
1.8.0.121-20.1, 1.8.0.121-6.4, 1.8.0.302-2.2
java-1_8_0-openjdk-devel
1.8.0.121-20.1, 1.8.0.121-6.4, 1.8.0.302-2.2
java-1_8_0-openjdk-headless
1.8.0.121-20.1, 1.8.0.121-6.4, 1.8.0.302-2.2
java-1_8_0-openjdk-javadoc
1.8.0.121-6.4, 1.8.0.302-2.2
java-1_8_0-openjdk-src
1.8.0.121-6.4, 1.8.0.302-2.2
java-1.7.0-openjdk
1:1.7.0.131-2.6.9.0.0.1.el5_11, 1:1.7.0.131-2.6.9.0.0.1.el6_8, 1:1.7.0.131-2.6.9.0.0.1.el7_3, 1:1.7.0.131-2.6.9.0.70.amzn1
java-1.7.0-openjdk-accessibility
1:1.7.0.131-2.6.9.0.0.1.el7_3
java-1.7.0-openjdk-demo
1:1.7.0.131-2.6.9.0.0.1.el5_11, 1:1.7.0.131-2.6.9.0.0.1.el6_8, 1:1.7.0.131-2.6.9.0.0.1.el7_3, 1:1.7.0.131-2.6.9.0.70.amzn1
Timeline
Publicly disclosed
Jan 17, 2017
Last updated
Jun 1, 2026
Weakness Type
- CWE-20 Improper Input Validation
- CWE-502 Deserialization of Untrusted Data
References
- advisoryubuntu.com · CVE-2017-3241
- advisorycve.org · CVERecord
- advisoryhg.openjdk.java.net · 09c05d3bf23e
- advisoryhg.openjdk.java.net · 75f31e0bd829
- advisoryRHSA-2017:0175
FAQ
Common Questions.
Vulnerability in the Java SE, Java SE Embedded, JRockit component of Oracle Java SE (subcomponent: RMI).
Affected: Jdk (Oracle) versions 1.6-update_131, 1.7-update_121, 1.8-update_111, 1.8-update_112; Jre (Oracle) versions 1.6-update_131, 1.7-update_121, 1.8-update_111, 1.8-update_112; JRockit (Oracle) versions r28.3.12, >= R28.3.12, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
A public exploit is reported by tracking sources, but no code link is listed yet.
Fixed versions are available, including java 1.6.0-ibm-1:1.6.0.16.41-1jpp.1.el5_11, java 1.8.0-openjdk-1:1.8.0.121-0.b13.el7_3, java 1.8.0-oracle-1:1.8.0.121-1jpp.1.el6_8.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2017-3241 On Your Attack Surface?
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