7.5

CVE-2013-3958: siemens simatic_pcs7 Credentials Management Errors

CVSS: 7.5v2.0HighModified
Published 14-06-2013Last modified 16-09-2024

Vulnerability summary

CVE-2013-3958 is a high (CVSS 7.5) Credentials Management Errors vulnerability in siemens simatic_pcs7. EPSS estimates a 1.93% chance of exploitation in the next 30 days, higher than 79.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
1.93%
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. 14-06-2013
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

The login implementation in the Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, has a hardcoded account, which makes it easier for remote attackers to obtain access via an unspecified request.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.93%

Chance of exploitation in the next 30 days

Percentile

80%

Versus all other CVEs

30-day change

0.00 pp

From 1.93% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.93%

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_pcs7≤ 8.0 | 8.0
  • wincc≤ 7.2 | 7.0 | 7.0:sp1 | 7.0:sp2 | 7.0:sp3 | 7.1 | 7.1:sp1

1 vendor · 2 products

References

1 links