CVE-2021-34562

mediumpriority · track · 24EPSS 0.006 · 47 %ileDEEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.58% (47th) EPSS
CVSS 4.3 · medium
Is it mine?
14 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-22

In PEPPERL+FUCHS WirelessHART-Gateway 3.0.8 it is possible to inject arbitrary JavaScript into the application's response.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

  • Mitigationpepperl_fuchs_psirt

    An external protective measure is required. - Minimize network exposure for affected products and ensure that they are not accessible via the Internet. - Isolate affected products from the corporate network. - If remote access is required, use secure methods such as virtual private networks (VPNs).

  • MitigationWHA-GW-F2D2-0-AS- Z2-ETHcisa_csaf_ot

    If remote access is required, use secure methods such as virtual private networks (VPNs).

  • MitigationWHA-GW-F2D2-0-AS- Z2-ETH.EIPcisa_csaf_ot

    If remote access is required, use secure methods such as virtual private networks (VPNs).

02

cvss

Technical severity, 0–10. One row per scoring source.

6.1
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9
v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7
v3.05.4mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:Nsecondary · CISA US
v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:Nsecondary · ENISA EU
v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:Nsecondary · info@cert.vde.comexploitability 2.8 · impact 2.5
v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · Pepperl+Fuchs PSIRT DE
v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USCWE-79USCWE-79US
04

affected products (14)

Products and version ranges known to be affected.

05

advisories (2)

Vendor and ecosystem advisories describing this.

  • VDE-2021-027Pepperl+Fuchs: WirelessHART-Gateway - Vulnerability may allow remote attackers to cause a Denial Of Service2021-10-16csaf · pepperl_fuchs_psirtDE

    Critical vulnerabilities have been discovered in the product and in the utilized components jQuery by jQuery Team and TLS Version 1.0/1.1. The impact of the vulnerabilities on the affected device may result in - denial of service - remote code execution - code exposure

  • ICSA-22-097-01Pepperl+Fuchs WirelessHART-Gateway2022-04-07icsa · cisa_csaf_otUS

    Successful exploitation of these vulnerabilities may result in a denial-of-service condition, code execution, and code exposure.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcisa_csaf_otnvdpepperl_fuchs_psirtNVDCVE.orgMITRE
published 2021-08-31modified 2026-06-17
08

references (6)

External citations — patches, advisories, analysis.

scry

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