CVE-2021-2398Network attack vector

Authenticated read and modification of application data

Published Jul 20, 2021 · Updated Sep 26, 2024

Region Mapping flaw in Oracle Advanced Outbound Telephony allows remote authenticated users to read or alter data via HTTP. Oracle identifies affected releases 12.1.1 through 12.1.3 and 12.2.3 through 12.2.10 but does not disclose the faulty operation or how HTTP input reaches it. Low-privileged application access is required, and the consequence is confined to confidentiality and integrity; no service interruption is reported.

CVSS severity8.1
High
EPSS probability0.99%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Region Mapping flaw in Oracle Advanced Outbound Telephony allows remote authenticated users to read or alter data via HTTP. Oracle identifies affected releases 12.1.1 through 12.1.3 and 12.2.3 through 12.2.10 but does not disclose the faulty operation or how HTTP input reaches it. Low-privileged application access is required, and the consequence is confined to confidentiality and integrity; no service interruption is reported.

The record

CVE
CVE-2021-2398
Published
Jul 20, 2021
Updated
Sep 26, 2024
Vendor
Oracle Corporation
Product
Oracle Advanced Outbound Telephony
Classifications
Unavailable
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 20, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 26, 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=12.1.1-12.1.3
  2. Affected versionversion=12.2.3-12.2.10

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Oracle Corporation · Oracle Advanced Outbound Telephonyversion=12.1.1-12.1.3; version=12.2.3-12.2.10

Published CVSS scores

8.1Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
5.5NIST NVDAV:N/AC:L/Au:S/C:P/I:P/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

No sourced classifications are available.

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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