Security features bypass in containerd
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-30465 |
| CWE-ID | CWE-254 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
containerd Other software / Other software solutions |
| Vendor | containerd |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Security features bypass
EUVDB-ID: #VU53399
Risk: Low
CVSSv3.1: 6.6 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-30465
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the security features bypass issue. A remote authenticated attacker on the local network can perform a symlink exchange attack and host filesystem being bind-mounted into the container.
MitigationInstall update from vendor's website.
Vulnerable software versionscontainerd: 1.4.0 - 1.5.1
External linkshttp://github.com/containerd/containerd/releases/tag/v1.5.2
http://github.com/containerd/containerd/releases/tag/v1.4.6
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
