IBM Cloud Private update for Kubernetes
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-25737 |
| CWE-ID | CWE-200 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
IBM Cloud Private Universal components / Libraries / Software for developers |
| Vendor | IBM Corporation |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Information disclosure
EUVDB-ID: #VU53436
Risk: Low
CVSSv3.1: 2.4 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-25737
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionThe vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to a host network hijacking flaw because of holes in EndpointSlice validation. A remote administrator can redirect pod traffic to private networks on a Node and gain unauthorized access to sensitive information on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsIBM Cloud Private: 3.2.1 CD - 3.2.2 CD
External linkshttp://www.ibm.com/blogs/psirt/security-bulletin-security-vulnerabilities-affect-ibm-cloud-private-kubernetes-cve-2021-25737/
http://www.ibm.com/support/pages/node/6574359
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
