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 Security Verify Access Server applications / Remote management servers, RDP, SSH |
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 Security Verify Access: before 10.0.5.0
CPE2.3http://www.ibm.com/support/pages/node/6953615
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.