5.5

CVE-2020-10048: siemens simatic_pcs_7

CVSS: 5.5v3.1MediumModified
Published 09-02-2021Last modified 04-08-2024

Vulnerability summary

CVE-2020-10048 is a medium (CVSS 5.5) vulnerability in siemens simatic_pcs_7. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 25.5% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.34%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-02-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

26%

Versus all other CVEs

30-day change

0.00 pp

From 0.34% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.34%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Siemens2 products
  • simatic_pcs_7All versions (No fix recorded)
  • simatic_winccAll versions < V7.5 SP2 | < 7.5 | 7.5:sp1 | 7.5:sp1_update1 | 7.5:sp1_update2

1 vendor · 2 products

References

1 links