6.8

CVE-2014-4686: siemens simatic_pcs7

CVSS: 6.8v2.0MediumModified
Published 24-07-2014Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2014-4686 is a medium (CVSS 6.8) vulnerability in siemens simatic_pcs7. EPSS estimates a 1.09% chance of exploitation in the next 30 days, higher than 64.7% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.8/10
010
Medium · v2.0 (NVD)
EPSS score
1.09%
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. 24-07-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The Project administration application in Siemens SIMATIC WinCC before 7.3, as used in PCS7 and other products, has a hardcoded encryption key, which allows remote attackers to obtain sensitive information by extracting this key from another product installation and then employing this key during the sniffing of network traffic on TCP port 1030.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.09%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

0.00 pp

From 1.09% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.09%

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

No weakness data has been published for this record.

Affected systems

Siemens2 products
  • simatic_pcs7≤ 8.0 | 7.1:sp3 | 8.0
  • wincc≤ 7.2 | 5.0 | 5.0:sp1 | 6.0 | 6.0:sp2 | 6.0:sp3 | 6.0:sp4 | 7.0 | 7.0:sp1 | 7.0:sp2 | 7.0:sp3 | 7.1 | 7.1:sp1

1 vendor · 2 products

References

1 links