Vulnerability identifier: #VU65293
Vulnerability risk: High
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-330
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
SCALANCE X200-4P IRT
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X201-3P IRT
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X201-3P IRT PRO
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X202-2IRT
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X202-2P IRT
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X202-2P IRT PRO
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X204IRT
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X204IRT PRO
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE XF201-3P IRT
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE XF202-2P IRT
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE XF204-2BA IRT
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE XF204IRT
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X204-2
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X204-2FM
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X204-2LD
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X204-2LD TS
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X204-2TS
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X206-1
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X206-1LD
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X208
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X208PRO
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X212-2
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X212-2LD
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X216
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE X224
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE XF204
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE XF204-2
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE XF206-1
Hardware solutions /
Routers & switches, VoIP, GSM, etc
SCALANCE XF208
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 the webserver of affected devices calculates session ids and nonces in an insecure manner. A remote attacker can brute-force session ids and hijack existing sessions.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
SCALANCE X200-4P IRT: All versions
SCALANCE X201-3P IRT: All versions
SCALANCE X201-3P IRT PRO: All versions
SCALANCE X202-2IRT: All versions
SCALANCE X202-2P IRT: All versions
SCALANCE X202-2P IRT PRO: All versions
SCALANCE X204IRT: All versions
SCALANCE X204IRT PRO: All versions
SCALANCE XF201-3P IRT: All versions
SCALANCE XF202-2P IRT: All versions
SCALANCE XF204-2BA IRT: All versions
SCALANCE XF204IRT: All versions
External links
http://cert-portal.siemens.com/productcert/pdf/ssa-310038.pdficsa-22-195-01
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.