8.3

CVE-2013-5709: siemens scalance_x-200_firmware Numeric Errors

CVSS: 8.3v2.0HighModified
Published 17-09-2013Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2013-5709 is a high (CVSS 8.3) Numeric Errors vulnerability in siemens scalance_x-200_firmware. EPSS estimates a 2.99% chance of exploitation in the next 30 days, higher than 87.1% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.3/10
010
High · v2.0 (NVD)
EPSS score
2.99%
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. 17-09-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The authentication implementation in the web server on Siemens SCALANCE X-200 switches with firmware before 5.0.0 does not use a sufficient source of entropy for generating values of random numbers, which makes it easier for remote attackers to hijack sessions by predicting a value.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.99%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 2.99% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.99%

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

Siemens9 products

1 vendor · 9 products

References

3 links