CVE-2024-21270Network attack vector

Authenticated calendar data read and modification

Published Oct 15, 2024 · Updated Oct 15, 2024

Incorrect authorization in Oracle Common Applications Calendar 12.2.6 through 12.2.13 allows remote authenticated users to read and modify data. Oracle identifies the affected locus as the Tasks component but does not disclose the incorrect operation or authorization check involved. A low-privileged account with HTTP access is required, and exploitation grants read and create, delete, or modify access to critical or all calendar-accessible data.

CVSS severity8.1
High
EPSS probability0.44%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in Oracle Common Applications Calendar 12.2.6 through 12.2.13 allows remote authenticated users to read and modify data. Oracle identifies the affected locus as the Tasks component but does not disclose the incorrect operation or authorization check involved. A low-privileged account with HTTP access is required, and exploitation grants read and create, delete, or modify access to critical or all calendar-accessible data.

The record

CVE
CVE-2024-21270
Published
Oct 15, 2024
Updated
Oct 15, 2024
Vendor
Oracle Corporation
Product
Oracle Common Applications Calendar
Classifications
CWE-863, T1565
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 15, 2024CVE publishedPublication date reported by the CVE source.
  2. Oct 15, 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=12.2.6 <=12.2.13

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Oracle Corporation · Oracle Common Applications Calendarversion=12.2.6 <=12.2.13

Published CVSS scores

8.1Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-863Incorrect Authorization
T1565Data Manipulation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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