Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-1145 |
CWE-ID | CWE-61 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Cisco ASR 5000 Series Hardware solutions / Firmware Cisco StarOS Operating systems & Components / Operating system |
Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU49575
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-1145
CWE-ID:
CWE-61 - UNIX Symbolic Link (Symlink) Following
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information on the system.
The vulnerability exists due to a symlink following issue in the Secure FTP (SFTP). A remote authenticated attacker can send a specially crafted SFTP command and read arbitrary files on the affected device.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco ASR 5000 Series: All versions
Cisco StarOS: before 21.19.7
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.