CVE-2022-24239Network attack vector

Unauthenticated arbitrary file upload via attachments endpoint

Published May 27, 2022 · Updated Jul 9, 2026

Unrestricted file upload in attachments.awp in ACEware ACEweb Online Portal 3.5.065 allows remote attackers to upload arbitrary files. Public records identify the endpoint but do not disclose how it validates file names, types, contents, storage paths, or authorization before accepting an attachment. Network access requires no authentication or user interaction, but published evidence does not establish whether uploaded files can execute or which data or services they can affect.

CVSS severity9.8
Critical
EPSS probability1.03%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in attachments.awp in ACEware ACEweb Online Portal 3.5.065 allows remote attackers to upload arbitrary files. Public records identify the endpoint but do not disclose how it validates file names, types, contents, storage paths, or authorization before accepting an attachment. Network access requires no authentication or user interaction, but published evidence does not establish whether uploaded files can execute or which data or services they can affect.

The record

CVE
CVE-2022-24239
Published
May 27, 2022
Updated
Jul 9, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-434, T1105
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 27, 2022CVE publishedPublication date reported by the CVE source.
  2. Jul 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.5NIST NVDAV:N/AC:L/Au:N/C:P/I:P/A:P
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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
T1105Ingress Tool Transfer

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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