CVE-2023-36521CWE-770denial-of-service

CVE-2023-36521

High · published July 11, 2023

CVSS v3.1
8.6
EPSS
1%
Percentile
49.4
In the wild
Unconfirmed
What it is

A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3.4), SIMATIC MV540 S (All versions < V3.3.4), SIMATIC MV550 H (All versions < V3.3.4), SIMATIC MV550 S (All versions < V3.3.4), SIMATIC MV560 U (All versions < V3.3.4), SIMATIC MV560 X (All versions < V3.3.4). The result synchronization server of the affected products contains a

vulnerability that may lead to a denial of service condition. An attacker may

cause a denial of service situation of all socket-based communication of the

affected products if the result server is enabled.

The record
Technical detail
CVSS v3.1
8.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00626 · 49.4th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2023-07-11T14:15Z
Affected products (6)
ProductVersionsFixed in
siemens/simatic_mv540_h_firmware< 3.3.43.3.4
siemens/simatic_mv540_s_firmware< 3.3.43.3.4
siemens/simatic_mv550_h_firmware< 3.3.43.3.4
siemens/simatic_mv550_s_firmware< 3.3.43.3.4
siemens/simatic_mv560_u_firmware< 3.3.43.3.4
siemens/simatic_mv560_x_firmware< 3.3.43.3.4
References (2)
https://cert-portal.siemens.com/productcert/pdf/ssa-561322.pdf · [email protected]https://cert-portal.siemens.com/productcert/pdf/ssa-561322.pdf · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 11 JUL 09:07Z
    A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3.4), SIMATIC MV540 S (All versions < V3.3.4), SIMATIC MV550 H (All versions <…
    cvelistv5