Denial of service in Cisco StarOS
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-1353 |
| CWE-ID | CWE-401 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Cisco ASR 5000 Series Hardware solutions / Firmware Cisco Virtualized Packet Core Client/Desktop applications / Virtualization software Cisco StarOS Operating systems & Components / Operating system |
| Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Memory leak
EUVDB-ID: #VU50065
Risk: Medium
CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-1353
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due to a memory leak that occurs during packet processing. A remote attacker can force the application to leak memory and perform denial of service attack.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability..
Vulnerable software versionsCisco ASR 5000 Series: All versions
Cisco Virtualized Packet Core: All versions
Cisco StarOS: before 21.22.0
External linksQ & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
