Vulnerability Details : CVE-2020-10048
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.
Vulnerability category: BypassGain privilege
Products affected by CVE-2020-10048
- cpe:2.3:a:siemens:simatic_wincc:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc:7.5:sp1:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc:7.5:sp1_update1:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc:7.5:sp1_update2:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_pcs_7:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-10048
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 10 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-10048
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2020-10048
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
-
The product requires authentication, but the product has an alternate path or channel that does not require authentication.Assigned by: productcert@siemens.com (Secondary)
References for CVE-2020-10048
-
https://cert-portal.siemens.com/productcert/pdf/ssa-944678.pdf
Vendor Advisory
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