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Fencer Intel
critical 9.8

CVE-2021-22652 in the critical feed json

Access to the Advantech iView versions prior to v5.7.03.6112 configuration are missing authentication, which may allow an unauthorized atta…

published 5y ago modified 4mo ago also EUVD-2021-9788

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
36.8%
EPSS 36.8% chance of exploitation in 30 days, percentile 98%
public exploits
1
Metasploit

Summary

Access to the Advantech iView versions prior to v5.7.03.6112 configuration are missing authentication, which may allow an unauthorized attacker to change the configuration and obtain code execution.

Patch / fix

  • advantech iview 5.7.03.6112

Is CVE-2021-22652 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-040-02 updated cvss 9.8

Advantech iView

  • Advantech iView < 5.7.03.6112
    affected: vendor fix advantech.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Timeline

  1. First public exploit (Metasploit exploit/windows/http/advantech_iview_unauth_rce)
  2. Published

Exploit prediction

36.85% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • n/a Advantech iView

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.