CVE-2016-8563
Siemens Automation License Manager (ALM) before 5.3 SP3 Update 1 allows remote attackers to cause...
CVE-2016-8563 is a high vulnerability (CVSS 7.5) in Siemens Automation License Manager, published October 13, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.99%, the 87th percentile. No source names a fixed version.
Siemens Automation License Manager (ALM) before 5.3 SP3 Update 1 allows remote attackers to cause a denial of service (ALM service outage) via crafted packets to TCP port 4410.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Siemens Automation License Manager (ALM) before 5.3 SP3 Update 1 allows remote attackers to cause a denial of service (ALM service outage) via crafted packets to TCP port 4410.
- Record
CVE-2016-8563- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
Siemens Automation License Manager (ALM) before 5.3 SP3 Update 1 allows remote attackers to cause a denial of service (ALM service outage) via crafted packets to TCP port 4410.
- Record
CVE-2016-8563- Updated
- 2026-11-02
EUVDEUVD-2016-9411 No score
Siemens Automation License Manager (ALM) before 5.3 SP3 Update 1 allows remote attackers to cause a denial of service (ALM service outage) via crafted packets to TCP port 4410.
- Record
EUVD-2016-9411- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q9gx-mx48-xpg2
Siemens Automation License Manager (ALM) before 5.3 SP3 Update 1 allows remote attackers to cause...
Siemens Automation License Manager (ALM) before 5.3 SP3 Update 1 allows remote attackers to cause a denial of service (ALM service outage) via crafted packets to TCP port 4410.
- Record
GHSA-q9gx-mx48-xpg2- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |