CVE-2022-40654

Code execution via X_T parser out-of-bounds write

Published Sep 15, 2022 · Updated Aug 3, 2024

Out-of-bounds write in Ansys SpaceClaim 2022 R1 allows remote attackers to execute arbitrary code through a crafted X_T file. During X_T parsing, insufficient validation of file-controlled data permits a write past the end of an allocated data structure. Execution requires the target to visit a malicious page or open a malicious file, and the resulting code runs in the current process context.

CVSS severity7.8
High
EPSS probability0.58%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in Ansys SpaceClaim 2022 R1 allows remote attackers to execute arbitrary code through a crafted X_T file. During X_T parsing, insufficient validation of file-controlled data permits a write past the end of an allocated data structure. Execution requires the target to visit a malicious page or open a malicious file, and the resulting code runs in the current process context.

The record

CVE
CVE-2022-40654
Published
Sep 15, 2022
Updated
Aug 3, 2024
Vendor
Ansys
Product
Ansys SpaceClaim
Classifications
CWE-787, T1204.002, T1203
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 15, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2022 R1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Ansys · Ansys SpaceClaimversion=2022 R1

Published CVSS scores

7.8NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8Zero Day InitiativeCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1204.002User Execution: Malicious File
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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