CVE-2020-15798

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

5.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 92.5% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-02-09 15:38Z5 YR AGO

Last updated

2026-06-02 18:59Z4 MO AGO

Reserved

2020-07-15

Assigning CNA

siemens

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-306Missing Authentication for Critical FunctionBase

Data version

5.2

Document digest

ee554a8483f5d490b6413390bd469101eaad9a15c2ad39f28f4fba3aba0cf34c

• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-520004.pdfx_refsource_MISC
• us-cert.cisa.govhttps://us-cert.cisa.gov/ics/advisories/icsa-21-033-02x_refsource_MISC
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-752103.pdfx_refsource_CONFIRM