Improper input validation in Siemens Simatic Easie Core Package
CVE-2021-44221
A vulnerability has been identified in SIMATIC eaSie Core Package (All versions < V22.00). The affected systems do not properly validate input that is sent to the underlying message passing framework. This could allow an remote attacker to trigger a denial of service of the affected system.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.014 (72.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: +0.000
Affected products
- Siemens Simatic Easie Core Package — versions All versions < V22.00
- Siemens Simatic Easie Core Package
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cert-portal.siemens.com/productcert/pdf/ssa-580125.pdf (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-44221?
- CVE-2021-44221 is a high-severity vulnerability in Siemens Simatic Easie Core Package, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2022-07-12.
- How severe is CVE-2021-44221?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-44221 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.