What is CVE-2021-34559?

CVE-2021-34559 is a medium-severity vulnerability in Pepperl-fuchs Wha-gw-f2d2-0-as-z2-eth, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 5.4/10. Published 2021-08-31.

How severe is CVE-2021-34559?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Pepperl-fuchs Wha-gw-f2d2-0-as-z2-eth

CVE-2021-34559

In PEPPERL+FUCHS WirelessHART-Gateway <= 3.0.8 a vulnerability may allow remote attackers to rewrite links and URLs in cached pages to arbitrary strings.

Vulnerability class: HTTP Request Smuggling

EPSS: 0.008 (51.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

CWE-444 — Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling)

References

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

Frequently asked questions

What is CVE-2021-34559?: CVE-2021-34559 is a medium-severity vulnerability in Pepperl-fuchs Wha-gw-f2d2-0-as-z2-eth, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 5.4/10. Published 2021-08-31.
How severe is CVE-2021-34559?: Medium severity. CVSS v3 base score is 5.4 out of 10.