CVE-2023-21855Network attack vector

Unauthenticated data modification via undisclosed sync flaw

Published Jan 17, 2023 · Updated Sep 23, 2024

Integrity flaw in Oracle Sales for Handhelds 12.2.3 through 12.2.12 allows remote attackers to alter critical data via HTTP. The flaw is in the Pocket Outlook Sync (PocketPC) component, but Oracle has not disclosed the faulty request handling or authorization operation. No authentication or user interaction is required, and successful exploitation creates, deletes, or modifies critical or otherwise accessible application data.

CVSS severity7.5
High
EPSS probability0.52%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Integrity flaw in Oracle Sales for Handhelds 12.2.3 through 12.2.12 allows remote attackers to alter critical data via HTTP. The flaw is in the Pocket Outlook Sync (PocketPC) component, but Oracle has not disclosed the faulty request handling or authorization operation. No authentication or user interaction is required, and successful exploitation creates, deletes, or modifies critical or otherwise accessible application data.

The record

CVE
CVE-2023-21855
Published
Jan 17, 2023
Updated
Sep 23, 2024
Vendor
Oracle Corporation
Product
Oracle Sales for Handhelds
Classifications
T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 17, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 23, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=12.2.3-12.2.12

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle Corporation · Oracle Sales for Handheldsversion=12.2.3-12.2.12

Published CVSS scores

7.5Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1190Exploit Public-Facing Application

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo