CVE-2020-2753Network attack vector

Unauthenticated modification of workflow data

Published Apr 15, 2020 · Updated Sep 30, 2024

An undisclosed flaw in Oracle Workflow Notification Mailer 12.1.3 and 12.2.3 through 12.2.9 allows remote attackers to modify data via HTTP. Oracle has not published the affected request, parameter, or incorrect operation performed on untrusted input. No credentials or user interaction are required; network reachability to the HTTP service is sufficient, and successful exploitation is limited to updating, inserting, or deleting some accessible Workflow data.

CVSS severity5.3
Medium
EPSS probability1.09%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An undisclosed flaw in Oracle Workflow Notification Mailer 12.1.3 and 12.2.3 through 12.2.9 allows remote attackers to modify data via HTTP. Oracle has not published the affected request, parameter, or incorrect operation performed on untrusted input. No credentials or user interaction are required; network reachability to the HTTP service is sufficient, and successful exploitation is limited to updating, inserting, or deleting some accessible Workflow data.

The record

CVE
CVE-2020-2753
Published
Apr 15, 2020
Updated
Sep 30, 2024
Vendor
Oracle Corporation
Product
Oracle Workflow
Classifications
T1565
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 15, 2020CVE publishedPublication date reported by the CVE source.
  2. Sep 30, 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=12.1.3
  2. Affected versionversion=12.2.3-12.2.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle Corporation · Oracle Workflowversion=12.1.3; version=12.2.3-12.2.9

Published CVSS scores

5.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
5.0NIST NVDAV:N/AC:L/Au:N/C:N/I:P/A:N
5.3OracleCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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.

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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

T1565Data Manipulation

Public exploit references

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Technologies

Your stack

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Your stack

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