CVE-2022-40652

Code execution via X_B 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 code through a crafted X_B file. The X_B parser fails to validate user-supplied data before writing past the end of an allocated data structure. Execution occurs in the current process context and requires the target to visit a malicious page or open a malicious file.

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 code through a crafted X_B file. The X_B parser fails to validate user-supplied data before writing past the end of an allocated data structure. Execution occurs in the current process context and requires the target to visit a malicious page or open a malicious file.

The record

CVE
CVE-2022-40652
Published
Sep 15, 2022
Updated
Aug 3, 2024
Vendor
Ansys
Product
Ansys SpaceClaim
Classifications
CWE-787, T1203, T1204.002
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

7.8Zero Day InitiativeCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8NIST NVDCVSS:3.1/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
T1203Exploitation for Client Execution
T1204.002Malicious File

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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