5

CVE-2011-4531: siemens automation_license_manager Improper Input Validation

CVSS: 5.0v2.0MediumModified
Published 08-01-2012Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2011-4531 is a medium (CVSS 5.0) Improper Input Validation vulnerability in siemens automation_license_manager. EPSS estimates a 8.41% chance of exploitation in the next 30 days, higher than 94.9% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
8.41%
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. 17-09-2024
    Last modifiedVulnerability information updated.

Description

Siemens Automation License Manager (ALM) 4.0 through 5.1+SP1+Upd1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted content in a (1) get_target_ocx_param or (2) send_target_ocx_param command.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

8.41%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

0.00 pp

From 8.41% on 18-09-2026

18-09-202618-10-2026
EPSS score
8.41%

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