Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-28167 |
CWE-ID | CWE-909 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
IBM ILOG CPLEX Optimization Studio (COS) Server applications / Other server solutions |
Vendor | IBM Corporation |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU60084
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-28167
CWE-ID:
CWE-909 - Missing initialization of resource
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to usage of the jdk.internal.reflect.ConstantPool API causes the JVM in some cases to pre-resolve certain constant pool entries. This allows a user to call static methods or access static members without running the class initialization method. A remote attacker can send a specially crafted request to the application and observe uninitialized values.
MitigationInstall update from vendor's website.
Vulnerable software versionsIBM ILOG CPLEX Optimization Studio (COS): 12.8 - 22.1
External linkshttp://www.ibm.com/blogs/psirt/security-bulletin-a-vulnerability-in-ibm-java-runtime-affects-ibm-ilog-cplex-optimization-studio-cve-2021-28167/
http://www.ibm.com/support/pages/node/6841477
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.