Denial of service in Belden Hirschmann OS2, RSP and RSPE
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-9307 |
| CWE-ID | CWE-835 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Hirschmann OS2 Hardware solutions / Firmware Hirschmann RSP Hardware solutions / Firmware Hirschmann RSPE Hardware solutions / Firmware HiOS Operating systems & Components / Operating system |
| Vendor | Belden Inc. |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Infinite loop
EUVDB-ID: #VU51524
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-9307
CWE-ID:
CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop in the HSR implementation. A remote attacker on the local network can consume all available system resources and cause denial of service conditions.
MitigationInstall updates from vendor's website.
Vulnerable software versionsHirschmann OS2: All versions
Hirschmann RSP: All versions
Hirschmann RSPE: All versions
HiOS: 07.0.04 - 08.0.00
External linkshttp://www.belden.com/dfsmedia/f1e38517e0cd4caa8b1acb6619890f5e/12276-source/options/view
http://www.belden.com/security
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
