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No exploitation reported

CVE-2021-22760

No exploitation reported by the sources we read.

  • Published2021-06-11
  • WeaknessCWE-763

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

A CWE-763: Release of invalid pointer or reference vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could result in loss of data or remote code execution due to missing checks of user-supplied input data, when a malicious CGF file is imported to IGSS Definition.

Timeline

dates in UTC
  1. 2021-06-1116:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 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-2021-22760?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-22760?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Schneider-electric interactive graphical scada system
BranchAffectedFixed in
15.0≤ 15.0.0.21140no fix published

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-21-159-04 CISA1 known affected

    Schneider Electric IGSS

    IGSS Definition (Def.exe): v15.0.0.21140 and prior

Full record on NVD

Fix

  1. Mitigation from the vendor CISA ICSA-21-159-04 · 1 productSchneider Electric recommends users update to Version 15.0.0.21141 of the IGSS Definition module: Def.exe includes fixes for these vulnerabilities and is available for download through IGSS Master > Update IGSS Software, or at the link above.
  2. Mitigation from the vendor CISA ICSA-21-159-04 · 1 productIf users choose not to apply the remediation provided above, they should immediately apply the following mitigations to reduce the risk of exploitation:
  3. Mitigation from the vendor CISA ICSA-21-159-04 · 1 productAvoid importing CGF and WSP files from untrusted sources.
  4. Mitigation from the vendor CISA ICSA-21-159-04 · 1 productPlease see Schneider Electric's publication SEVD-2021-159-01 for more information.

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVSS 3.17.8read 2026-10-23
  • NVDCVSS 2.06.8read 2026-10-23
  • CNAweakness (CWE)CWE-763read 2026-10-23
  • FIRST EPSSEPSS score1.2 %2026-10-23

Technical details

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

Frequently asked questions

What is CVE-2021-22760?

A CWE-763: Release of invalid pointer or reference vulnerability exists inIGSS Definition (Def.exe) V15.0.0.21140 and prior that could result in loss of data or remote code execution due to missing checks of user-supplied input data, when a malicious CGF file is imported to IGSS Definition.

Is CVE-2021-22760 actively exploited?

Active exploitation of CVE-2021-22760 has not been confirmed. Its EPSS score was 1.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-22760?

CVE-2021-22760 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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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