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Security restrictions bypass in Siemens TIM 1531 IRC



Published: 2018-03-31
Severity Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2018-4841
CWE ID CWE-303
Exploitation vector Network
Public exploit N/A
Vulnerable software
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TIM 1531 IRC
Hardware solutions / Firmware

Vendor Siemens

Security Advisory

This security advisory describes one low risk vulnerability.

1) Security restrictions bypass

Severity: Low

CVSSv3: 8.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2018-4841

CWE-ID: CWE-303 - Incorrect Implementation of Authentication Algorithm

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restrictions.

The weakness exists due to incorrect implementation of authentication algorithm. A remote attacker with network access to Port 80/TCP or Port 443/TCP can bypass security restrictions and perform administrative operations on the device, cause DoS condition, gain read or write access to arbitrary data on the target system.

Mitigation

Update to version 1.1.

Vulnerable software versions

TIM 1531 IRC: -

CPE External links

https://support.industry.siemens.com/cs/document/109755374/sales-and-delivery-release-tim-1531-irc-v...

Q & 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.