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Public proof of conceptFix available

CVE-2021-22652

A public proof of concept exists; no exploitation attested.

  • Published2021-02-11
  • Fixed in5.7.03.6112
  • WeaknessCWE-306

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2021-02-1118:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-02 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-22652?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-22652?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Advantech iview
BranchAffectedFixed in
5.7< 5.7.03.61125.7.03.6112

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-21-040-02 CISA1 known affected

    Advantech iView

    iView: versions prior to v5.7.03.6112

Full record on NVD

Fix

  1. Update Advantech iview to 5.7.03.6112
  2. Vendor fix CISA ICSA-21-040-02 · 1 productAdvantech has released Version 5.7.03.6112 of iView to address these reported vulnerabilities. Users can download the latest version of iView.

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
1 moduleexploit/windows/http/advantech_iview_unauth_rcerank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

Sources

  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • CNAweakness (CWE)CWE-306known since 2026-10-23
  • NVDweakness (CWE)CWE-306read 2026-10-23
  • FIRST EPSSEPSS score36.8 %read 2026-11-02
  • Metasploit FrameworkMetasploit modules1known since 2026-11-01

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2021-02-11
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2021-22652?

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.

Is CVE-2021-22652 actively exploited?

Active exploitation of CVE-2021-22652 has not been confirmed. Its EPSS score was 36.8% on 2026-11-02, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-22652?

CVE-2021-22652 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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