CVE-2021-2461Network attack vector

Unauthenticated data access, manipulation, and partial service interruption

Published Oct 20, 2021 · Updated Sep 25, 2024

An undisclosed flaw in the Provision API of Oracle Communications Interactive Session Recorder 6.4 allows remote attackers to alter and read data via HTTP. Oracle identifies the Provision API as the affected component but has not published the faulty operation or input handling at the vulnerability's locus. No authentication or user interaction is required; successful requests can update, insert, or delete some accessible data, read a subset of it, and partially interrupt service.

CVSS severity8.3
High
EPSS probability1.06%
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 the Provision API of Oracle Communications Interactive Session Recorder 6.4 allows remote attackers to alter and read data via HTTP. Oracle identifies the Provision API as the affected component but has not published the faulty operation or input handling at the vulnerability's locus. No authentication or user interaction is required; successful requests can update, insert, or delete some accessible data, read a subset of it, and partially interrupt service.

The record

CVE
CVE-2021-2461
Published
Oct 20, 2021
Updated
Sep 25, 2024
Vendor
Oracle Corporation
Product
Oracle Communications Interactive Session Recorder
Classifications
T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 20, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 25, 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=6.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Oracle Corporation · Oracle Communications Interactive Session Recorderversion=6.4

Published CVSS scores

8.3Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 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

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Your stack

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