CVE-2021-33537
Published: 25 June 2021
Summary
CVE-2021-33537 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Weidmueller Ie-Wl-Bl-Ap-Cl-Eu Firmware. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 15.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-20229
Vulnerability details
In Weidmueller Industrial WLAN devices in multiple versions an exploitable remote code execution vulnerability exists in the iw_webs configuration parsing functionality. A specially crafted user name entry can cause an overflow of an error message buffer, resulting in remote code…
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execution. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.