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Fencer Vulns
high 7.8

CVE-2022-2951 json

Altair HyperView Player versions 2021.1.0.27 and prior are vulnerable to improper validation of array index vulnerability during processing…

published 2022-12-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-35172

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits
0
none known

Summary

Altair HyperView Player versions 2021.1.0.27 and prior are vulnerable to improper validation of array index vulnerability during processing of H3D files. A DWORD value from a PoC file is extracted and used as an index to write to a buffer, leading to memory corruption.

Patch / fix

Vendor advisories

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

cisa ICSA-22-284-01 updated cvss 7.8

Altair HyperView Player

  • Altair HyperView Player <= 2021.1.0.27
    affected: mitigation “Mitigation measures have been added to the latest version of HyperView Player v2022.1. Altair One recommends users apply the update to mitigate these vulnerabilities.” altairone.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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Altair HyperView Player

Classification

Weakness
  • CWE-129 Improper Validation of Array Index

References

Sources

Fencer Vulns 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.