CVE-2023-27286

Local code execution via improper bounds checking

Published Mar 28, 2023 · Updated Feb 18, 2025

Buffer overflow in IBM Aspera Cargo and Connect 4.2.4 and earlier allows local users to execute arbitrary code via crafted input. IBM identifies improper bounds checking but does not disclose the affected file, function, or input path. Local access is required; successful exploitation runs code with the affected process's privileges.

CVSS severity8.4
High
EPSS probability0.66%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in IBM Aspera Cargo and Connect 4.2.4 and earlier allows local users to execute arbitrary code via crafted input. IBM identifies improper bounds checking but does not disclose the affected file, function, or input path. Local access is required; successful exploitation runs code with the affected process's privileges.

The record

CVE
CVE-2023-27286
Published
Mar 28, 2023
Updated
Feb 18, 2025
Vendor
IBM
Product
IBM Aspera
Classifications
CWE-119, T1203
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 28, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 18, 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=4.2.5

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

IBM · IBM Asperaversion=4.2.5

Published CVSS scores

8.4IBM CorporationCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/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)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
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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