CVE-2020-2852Network attack vector

Unauthorized data access and modification

Published Apr 15, 2020 · Updated Sep 27, 2024

Information disclosure and data modification in Oracle Advanced Outbound Telephony 12.1.1 through 12.1.3 allow remote attackers to act via HTTP. Oracle identifies the affected locus only as the Calendar component and has not published the request handling error or untrusted input involved. Exploitation is unauthenticated but requires another person to interact, and it exposes all accessible data while permitting changes to some accessible data.

CVSS severity8.2
High
EPSS probability66.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure and data modification in Oracle Advanced Outbound Telephony 12.1.1 through 12.1.3 allow remote attackers to act via HTTP. Oracle identifies the affected locus only as the Calendar component and has not published the request handling error or untrusted input involved. Exploitation is unauthenticated but requires another person to interact, and it exposes all accessible data while permitting changes to some accessible data.

The record

CVE
CVE-2020-2852
Published
Apr 15, 2020
Updated
Sep 27, 2024
Vendor
Oracle Corporation
Product
Oracle Advanced Outbound Telephony
Classifications
Unavailable
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 15, 2020CVE publishedPublication date reported by the CVE source.
  2. Sep 27, 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

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle Corporation · Oracle Advanced Outbound Telephonyversion=12.1.1-12.1.3

Published CVSS scores

8.2Oracle CorporationCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/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.

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

No sourced classifications are available.

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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