Buffer overflow in Weidmueller Ie-Wl-Bl-Ap-Cl-Eu
CVE-2021-33537
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 execution. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.016 (75.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Weidmueller Ie-Wl-Bl-Ap-Cl-Eu
- Weidmueller Ie-Wl-Bl-Ap-Cl-Eu Firmware
- Weidmueller Ie-Wl-Bl-Ap-Cl-Us
- Weidmueller Ie-Wl-Bl-Ap-Cl-Us Firmware
- Weidmueller Ie-Wlt-Bl-Ap-Cl-Eu
- Weidmueller Ie-Wlt-Bl-Ap-Cl-Eu Firmware
- Weidmueller Ie-Wlt-Bl-Ap-Cl-Us
- Weidmueller Ie-Wlt-Bl-Ap-Cl-Us Firmware
- Weidmueller Ie-Wlt-Vl-Ap-Br-Cl-Eu
- Weidmueller Ie-Wlt-Vl-Ap-Br-Cl-Eu Firmware
Weakness classification (CWE)
References
- cert.vde.com/en-us/advisories/vde-2021-026 (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-33537?
- CVE-2021-33537 is a high-severity vulnerability in Weidmueller Ie-Wl-Bl-Ap-Cl-Eu, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2021-06-25.
- How severe is CVE-2021-33537?
- High severity. CVSS v3 base score is 8.8 out of 10.