4.9

CVE-2018-4856: siemens ag siclock tc100, siclock tc400 Improper Authentication

CVSS: 4.9v3.0MediumModified
Published 03-07-2018Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2018-4856 is a medium (CVSS 4.9) Improper Authentication vulnerability in siemens ag siclock tc100, siclock tc400. EPSS estimates a 1.28% chance of exploitation in the next 30 days, higher than 69.5% of scored vulnerabilities.

Overall risk
20/100
0100
Low · default modelHow is this calculated?
CVSS score
4.9/10
010
Medium · v3.0 (NVD)
EPSS score
1.28%
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. 03-07-2018
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions). An attacker with administrative access to the device's management interface could lock out legitimate users. Manual interaction is required to restore the access of legitimate users.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.28%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

0.00 pp

From 1.28% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.28%

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
Siemens ag1 product

2 vendors · 3 products

References

2 links