RCE in Apache Activemq
CVE-2021-21345
XStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability which may allow a remote attacker who has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.16.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.723 (99.4th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.723 · newest: 0.723 · change: 0.000
Affected products
- Apache Activemq — versions 5.16.0, 5.16.1
- Apache Jmeter
- NetApp Oncommand Insight
- Oracle Banking Enterprise Default Management — versions 2.10.0, 2.12.0
- Oracle Banking Platform — versions 2.4.0, 2.7.1, 2.9.0
- Oracle Banking Virtual Account Management — versions 14.2.0, 14.3.0, 14.5.0
- Oracle Business Activity Monitoring — versions 11.1.1.9.0, 12.2.1.3.0, 12.2.1.4.0
- Oracle Communications Billing And Revenue Management Elastic Charging Engine — versions 12.0.0.3.0
- Oracle Communications Policy Management — versions 12.5.0
- Oracle Communications Unified Inventory Management — versions 7.3.2, 7.3.4, 7.3.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- x-stream.github.io/security.html (Third Party Advisory, Mitigation)
- x-stream.github.io/changes.html (Third Party Advisory, Release Notes)
- github.com/x-stream/xstream/security/advisories/GHSA-hwpc-8xqv-jvj4 (Third Party Advisory)
- x-stream.github.io/CVE-2021-21345.html (Exploit, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/04/msg00002.html (mailing-list, Mailing List, Third Party Advisory)
- lists.apache.org/thread.html/r9ac71b047767205aa22e3a08cb33f3e0586de6b2fac48b425… (mailing-list, Mailing List, Third Party Advisory, Issue Tracking)
- lists.apache.org/thread.html/r8244fd0831db894d5e89911ded9c72196d395a90ae655414d… (mailing-list, Mailing List, Third Party Advisory, Issue Tracking)
- www.oracle.com/security-alerts/cpuApr2021.html (Patch, Third Party Advisory)
- security.netapp.com/advisory/ntap-20210430-0002/ (Third Party Advisory)
- www.oracle.com//security-alerts/cpujul2021.html (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21345?
- CVE-2021-21345 is a medium-severity vulnerability in Apache Activemq, classified under Code Injection. CVSS score: 5.8/10. Published 2021-03-23.
- How severe is CVE-2021-21345?
- Medium severity. CVSS v3 base score is 5.8 out of 10.
- Is CVE-2021-21345 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.