CVE-2020-10056: siemens ag license management utility (lmu) Execution with Unnecessary Privileges
Vulnerability summary
CVE-2020-10056 is a high (CVSS 7.8) Execution with Unnecessary Privileges vulnerability in siemens ag license management utility (lmu). EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.2% of scored vulnerabilities.
Timeline
- 09-09-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability has been identified in License Management Utility (LMU) (All versions < V2.4). The lmgrd service of the affected application is executed with local SYSTEM privileges on the server while its configuration can be modified by local users. The vulnerability could allow a local authenticated attacker to execute arbitrary commands on the server with local SYSTEM privileges.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
0.00 pp
From 0.37% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-250Execution with Unnecessary PrivilegesThe product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.
- CWE-269Improper Privilege ManagementThe product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
Affected systems
Siemens1 product
Siemens ag1 product
- license management utility (lmu)All versions < V2.4
2 vendors · 2 products
References
2 links
us-cert.cisa.gov/ics/advisories/icsa-20-252-03X Refsource MISCThird Party AdvisoryUS Government Resource