Denial of service in Hitachi ABB Power Grids AFS Series
| 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 |
AFS665-SR Hardware solutions / Routers & switches, VoIP, GSM, etc AFS660-SR Hardware solutions / Routers & switches, VoIP, GSM, etc AFS665 Hardware solutions / Routers & switches, VoIP, GSM, etc AFS660 Hardware solutions / Routers & switches, VoIP, GSM, etc |
| Vendor | Hitachi ABB Power Grids |
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 versionsAFS665-SR: 7.0.07
AFS660-SR: 7.0.07
AFS665: 7.0.07
AFS660: 7.0.07
External linkshttp://ics-cert.us-cert.gov/advisories/icsa-21-075-03
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).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
