5

CVE-2011-4530: siemens automation_license_manager Improper Input Validation

CVSS: 5.0v2.0MediumModified
Published 08-01-2012Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2011-4530 is a medium (CVSS 5.0) Improper Input Validation vulnerability in siemens automation_license_manager. EPSS estimates a 4.08% chance of exploitation in the next 30 days, higher than 90.6% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
4.08%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference, exploit-database

Timeline

  1. 08-01-2012
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 does not properly copy fields obtained from clients, which allows remote attackers to cause a denial of service (exception and daemon crash) via long fields, as demonstrated by fields to the (1) open_session->workstation->NAME or (2) grant->VERSION function.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

4.08%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

0.00 pp

From 4.08% on 20-09-2026

20-09-202620-10-2026
EPSS score
4.08%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (aluigi.altervista.org)

    Maturity: unknown

  • exploit-databasedoswindowsVerified

    siemens automation license manager 500.0.122.1 - Multiple Vulnerabilities

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Siemens1 product

1 vendor · 1 product

References

4 links