Critical severity · published Jan 12, 2021
CVE-2020-25226
A vulnerability has been identified in SCALANCE X-200 switch family (incl
9.8
CVSS
1.7%
EPSS
No
On KEV
Description
A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.5.0). The web server of the affected devices contains a vulnerability that may lead to a buffer overflow condition. An attacker could cause this condition on the webserver by sending a specially crafted request. The webserver could stop and not recover anymore.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SX
Scalance X200-4pirt Firmware · Siemens
before 5.5.0 · source: NVD
SX
Scalance X201-3pirt Firmware · Siemens
before 5.5.0 · source: NVD
SX
Scalance X202-2irt Firmware · Siemens
before 5.5.0 · source: NVD
SX
Scalance X202-2pirt Firmware · Siemens
before 5.5.0 · source: NVD
SX
Scalance X202-2pirt Siplus Net Firmware · Siemens
before 5.5.0 · source: NVD
SX
Scalance X204irt Firmware · Siemens
before 5.5.0 · source: NVD
SX
Scalance X307-3 Firmware · Siemens
All versions, or not specified · source: NVD
SX
Scalance X307-3ld Firmware · Siemens
All versions, or not specified · source: NVD
SX
Scalance X308-2 Firmware · Siemens
All versions, or not specified · source: NVD
SX
Scalance X308-2ld Firmware · Siemens
All versions, or not specified · source: NVD
SX
Scalance X308-2lh Firmware · Siemens
All versions, or not specified · source: NVD
SX
Scalance X308-2lh+ Firmware · Siemens
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-25226
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-25226
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-139628.pdf
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