Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2023-20046 |
CWE-ID | CWE-255 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Cisco StarOS Operating systems & Components / Operating system Cisco ASR 5000 Series Hardware solutions / Firmware Virtualized Packet Core - Distributed Instance (VPC-DI) Client/Desktop applications / Virtualization software Virtualized Packet Core - Single Instance (VPC-SI) Client/Desktop applications / Virtualization software |
Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU75372
Risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-20046
CWE-ID:
CWE-255 - Credentials Management
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to insufficient validation of user-supplied credentials in the key-based SSH authentication feature. A remote user can send a valid low-privileged SSH key and log in to the affected device through SSH as a high-privileged user.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco StarOS: 21.22.0 - 21.28.m
Cisco ASR 5000 Series: All versions
Virtualized Packet Core - Distributed Instance (VPC-DI): All versions
Virtualized Packet Core - Single Instance (VPC-SI): All versions
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.