Medium severity · published Feb 9, 2021
CVE-2020-10048
A vulnerability has been identified in SIMATIC PCS 7 (All versions), SIMATIC WinCC (All versions < V7.5 SP2)
5.5
CVSS
0.3%
EPSS
No
On KEV
Description
A vulnerability has been identified in SIMATIC PCS 7 (All versions), SIMATIC WinCC (All versions < V7.5 SP2). Due to an insecure password verification process, an attacker could bypass the password protection set on protected files, thus being granted access to the protected content, circumventing authentication.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SP
Simatic Pcs 7 · Siemens
All versions, or not specified · source: NVD
SW
Simatic Wincc · Siemens
before 7.5; 7.5; 7.5; 7.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10048
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10048
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-944678.pdf
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