CVE-2021-31894CWE-732

A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.X (All versions < V9.1 SP2), SIMATIC PDM (All versions <…

published July 13, 2021

CVSS
—
EPSS
0%
Percentile
12.8
In the wild
Unconfirmed
What it is

A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.X (All versions < V9.1 SP2), SIMATIC PDM (All versions < V9.2 SP2), SIMATIC STEP 7 V5.X (All versions < V5.7), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 SP2 HF1). A directory containing metafiles relevant to devices' configurations has write permissions. An attacker could leverage this vulnerability by changing the content of certain metafiles and subsequently manipulate parameters or behavior of devices that would be later configured by the affected software.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00228 · 12.8th percentile
Weakness
CWE-732 · Incorrect Permission Assignment for Critical Resource
Published
2021-07-13T11:02Z
EPSS history
Timeline
  • 13 JUL 11:02Z
    A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.X (All versions < V9.1 SP2), SIMATIC PDM (All versions <…
    cvelistv5