3.3

CVE-2021-34563: pepperl-fuchs wha-gw-f2d2-0-as-z2-eth_firmware Sensitive Cookie Without 'HttpOnly' Flag

CVSS: 3.3v3.1LowModified
Published 31-08-2021Last modified 17-09-2024

Vulnerability summary

CVE-2021-34563 is a low (CVSS 3.3) Sensitive Cookie Without 'HttpOnly' Flag vulnerability in pepperl-fuchs wha-gw-f2d2-0-as-z2-eth_firmware. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14% of scored vulnerabilities.

Overall risk
13/100
0100
Low · default modelHow is this calculated?
CVSS score
3.3/10
010
Low · v3.1 (CVE.org)
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 31-08-2021
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

In PEPPERL+FUCHS WirelessHART-Gateway 3.0.8 and 3.0.9 the HttpOnly attribute is not set on a cookie. This allows the cookie's value to be read or set by client-side JavaScript.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

14%

Versus all other CVEs

30-day change

0.00 pp

From 0.24% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.24%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Pepperl-fuchs2 products
Phoenix contact2 products

2 vendors · 4 products

References

1 links