CVE-2021-25659

CWE-400 — Uncontrolled Resource Consumption3 documents3 sources
Severity
7.5HIGH
EPSS
0.4%
top 36.63%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Siemens Automation License ManagerSiemens Automation License Manager 5Siemens Automation License Manager 6
Timeline
PublishedAug 10
Latest updateMay 24

Description

A vulnerability has been identified in Automation License Manager 5 (All versions), Automation License Manager 6 (All versions < V6.0 SP9 Update 2). Sending specially crafted packets to port 4410/tcp of an affected system could lead to extensive memory being consumed and as such could cause a denial-of-service preventing legitimate users from using the system.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5siemens/automation_license_manager_5All versions
▶CVEListV5siemens/automation_license_manager_6All versions < V6.0 SP9 Update 2

Patches

Patch: cert-portal.siemens.com ↗Patch: cert-portal.siemens.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-qhxf-2fw5-w33w: A vulnerability has been identified in Automation License Manager 5 (All versions), Automation License Manager 6 (All versions < V6↗2022-05-24
▶
CVEList
CVE-2021-25659: A vulnerability has been identified in Automation License Manager 5 (All versions), Automation License Manager 6 (All versions < V6↗2021-08-10
▶
CVE-2021-25659 (HIGH CVSS 7.5) | A vulnerability has been identified | cvebase.io