Denial of service in Siemens SENTRON PAC3200, SENTRON PAC4200 and SIRIUS 3RW5



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-13988
CWE-ID CWE-190
Exploitation vector Local network
Public exploit N/A
Vulnerable software
 SENTRON PAC3200
Hardware solutions / Other hardware appliances

SENTRON PAC4200
Hardware solutions / Other hardware appliances

SIRIUS 3RW5 communication module Modbus TCP
Client/Desktop applications / Software for archiving

Vendor Siemens

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Integer overflow

EUVDB-ID: #VU48916

Risk: Low

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-13988

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow. A remote attacker on the local network can send a specially crafted IP packet, trigger integer overflow and cause a denial of service on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SENTRON PAC3200: before 2.4.5

SENTRON PAC4200: before 2.0.1

SIRIUS 3RW5 communication module Modbus TCP: All versions

CPE2.3 External links

https://ics-cert.us-cert.gov/advisories/icsa-20-343-05


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.



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