CVE-2021-33536
In Weidmueller Industrial WLAN devices in multiple versions an exploitable denial-of-service vulnerability exists in ServiceAgent functionality.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.04% probability · 62th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-191
- Affected
- weidmueller/ie-wl-bl-ap-cl-eu firmware · weidmueller/ie-wlt-bl-ap-cl-eu firmware · weidmueller/ie-wl-bl-ap-cl-us firmware · weidmueller/ie-wlt-bl-ap-cl-us firmware · weidmueller/ie-wl-vl-ap-br-cl-eu firmware · weidmueller/ie-wlt-vl-ap-br-cl-eu firmware · weidmueller/ie-wl-vl-ap-br-cl-us firmware · weidmueller/ie-wlt-vl-ap-br-cl-us firmware
- Source
- info@cert.vde.com
References
- https://cert.vde.com/en-us/advisories/vde-2021-026Third Party Advisory
- https://cert.vde.com/en-us/advisories/vde-2021-026Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.