What is CVE-2021-33555?

CVE-2021-33555 is a high-severity vulnerability in Pepperl-fuchs Wha-gw-f2d2-0-as-z2-eth, classified under Path Traversal. CVSS score: 7.5/10. Published 2021-08-31.

How severe is CVE-2021-33555?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Pepperl-fuchs Wha-gw-f2d2-0-as-z2-eth

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.012 (65.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Pepperl-fuchs Wha-gw-f2d2-0-as-z2-eth
Pepperl-fuchs Wha-gw-f2d2-0-as-_z2-eth.eip
Pepperl-fuchs Wha-gw-f2d2-0-as-_z2-eth.eip_firmware
Pepperl-fuchs Wha-gw-f2d2-0-as-z2-eth_firmware
Phoenix Contact Wha-gw-f2d2-0-as- Z2-eth — versions 3.0.7
Phoenix Contact Wha-gw-f2d2-0-as- Z2-eth.eip — versions 3.0.7

Weakness classification (CWE)

CWE-22 — Path Traversal

References

info@cert.vde.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2021-33555?: CVE-2021-33555 is a high-severity vulnerability in Pepperl-fuchs Wha-gw-f2d2-0-as-z2-eth, classified under Path Traversal. CVSS score: 7.5/10. Published 2021-08-31.
How severe is CVE-2021-33555?: High severity. CVSS v3 base score is 7.5 out of 10.