CVE-2021-33555
HIGHCVSS 7.5/10EPSS 1.21%
Last modified
CVE-2021-33555 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.7 the filename parameter is vulnerable to unauthenticated path traversal attacks, enabling read access to arbitrary files on the server.. EPSS estimates a 1.21% chance of exploitation in the next 30 days.
Description
In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.7 the filename parameter is vulnerable to unauthenticated path traversal attacks, enabling read access to arbitrary files on the server.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Pepperl-Fuchs | Wha-Gw-F2d2-0-As-Z2-Eth Firmware | <= 3.0.7 |
| Pepperl-Fuchs | Wha-Gw-F2d2-0-As- Z2-Eth.Eip Firmware | <= 3.0.7 |
References
- https://cert.vde.com/en-us/advisories/vde-2021-027Third Party Advisory
- https://cert.vde.com/en-us/advisories/vde-2021-027Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33555?
In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.7 the filename parameter is vulnerable to unauthenticated path traversal attacks, enabling read access to arbitrary files on the server.
How severe is CVE-2021-33555?
CVE-2021-33555 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.21% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33555?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-33555?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST