#VU49499 Missing Authentication for Critical Function


Published: 2021-01-12 | Updated: 2021-01-13

Vulnerability identifier: #VU49499

Vulnerability risk: Medium

CVSSv3: 6.9 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-15799

CWE-ID: CWE-306

Exploitation vector: Network

Exploit availability: No

Vulnerable software: SCALANCE X-200
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE X-200 IRT
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Siemens

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to missing authentication for critical function. A remote attacker can use special URLs from integrated web server of the affected products and reboot the device.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

SCALANCE X-200: All versions

SCALANCE X-200 IRT: All versions

CPE

External links
https://cert-portal.siemens.com/productcert/pdf/ssa-139628.pdf


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.


Latest bulletins with this vulnerability