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CVE-2013-6920: siemens sinamics_g110 Improper Authentication

CVSS: 10.0v2.0HighModified
Published 07-12-2013Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2013-6920 is a high (CVSS 10.0) Improper Authentication vulnerability in siemens sinamics_g110. EPSS estimates a 3.23% chance of exploitation in the next 30 days, higher than 88% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
3.23%
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. 07-12-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Siemens SINAMICS S/G controllers with firmware before 4.6.11 do not require authentication for FTP and TELNET sessions, which allows remote attackers to bypass intended access restrictions via TCP traffic to port (1) 21 or (2) 23.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

3.23%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

0.00 pp

From 3.23% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.23%

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

Siemens14 products

1 vendor · 14 products

References

3 links