7.5

CVE-2021-33536

In Weidmueller Industrial WLAN devices in multiple versions an exploitable denial-of-service vulnerability exists in ServiceAgent functionality. A specially crafted packet can cause an integer underflow, triggering a large memcpy that will access unmapped or out-of-bounds memory. An attacker can send this packet while unauthenticated to trigger this vulnerability.

Data is provided by the National Vulnerability Database (NVD)
Weidmueller ≫ Ie-wl-bl-ap-cl-eu Firmware Version <= 1.16.18
   Weidmueller ≫ Ie-wl-bl-ap-cl-eu Version-
Weidmueller ≫ Ie-wlt-bl-ap-cl-eu Firmware Version <= 1.16.18
   Weidmueller ≫ Ie-wlt-bl-ap-cl-eu Version-
Weidmueller ≫ Ie-wl-bl-ap-cl-us Firmware Version <= 1.16.18
   Weidmueller ≫ Ie-wl-bl-ap-cl-us Version-
Weidmueller ≫ Ie-wlt-bl-ap-cl-us Firmware Version <= 1.16.18
   Weidmueller ≫ Ie-wlt-bl-ap-cl-us Version-
Weidmueller ≫ Ie-wl-bl-ap-cl-eu Firmware Version <= 1.11.10
   Weidmueller ≫ Ie-wl-bl-ap-cl-eu Version-
Weidmueller ≫ Ie-wlt-bl-ap-cl-eu Firmware Version <= 1.11.10
   Weidmueller ≫ Ie-wlt-bl-ap-cl-eu Version-
Weidmueller ≫ Ie-wl-bl-ap-cl-us Firmware Version <= 1.11.10
   Weidmueller ≫ Ie-wl-bl-ap-cl-us Version-
Weidmueller ≫ Ie-wlt-bl-ap-cl-us Firmware Version <= 1.11.10
   Weidmueller ≫ Ie-wlt-bl-ap-cl-us Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.17% 0.384
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
info@cert.vde.com 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-191 Integer Underflow (Wrap or Wraparound)

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.