CVE-2022-43507Network attack vector

Network-access privilege escalation

Published May 10, 2023 · Updated Jan 27, 2025

Improper buffer restrictions in Intel QAT Engine for OpenSSL before 0.6.16 allow remote attackers to gain elevated privileges via network access. Intel does not identify the affected buffer, the input that reaches it, or the operation that fails to enforce its bounds. The published assessment requires user interaction and high attack complexity; successful exploitation grants elevated privileges, but Intel does not state the resulting privilege level.

CVSS severity7.5
High
EPSS probability0.61%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper buffer restrictions in Intel QAT Engine for OpenSSL before 0.6.16 allow remote attackers to gain elevated privileges via network access. Intel does not identify the affected buffer, the input that reaches it, or the operation that fails to enforce its bounds. The published assessment requires user interaction and high attack complexity; successful exploitation grants elevated privileges, but Intel does not state the resulting privilege level.

The record

CVE
CVE-2022-43507
Published
May 10, 2023
Updated
Jan 27, 2025
Vendor
Topcon Positioning Systems, Inc.
Product
Intel QAT Engine for OpenSSL
Classifications
CWE-92, T1068
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 10, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 27, 2025Record 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=before version 0.6.16

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Topcon Positioning Systems, Inc. · Intel QAT Engine for OpenSSLversion=before version 0.6.16

Published CVSS scores

8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.5Intel CorporationCVSS:3.1/AV:N/AC:H/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-92DEPRECATED: Improper Sanitization of Custom Special Characters
T1068Exploitation for Privilege Escalation

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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