CVE-2021-2100Network attack vector

Unauthenticated read and modification of accessible data

Published Jan 20, 2021 · Updated Sep 26, 2024

An undisclosed Print Server flaw in Oracle One-to-One Fulfillment allows remote attackers to read and alter accessible data over HTTP. Oracle has not published the vulnerable HTTP endpoint or the operation that mishandles a request. Affected releases are 12.1.1 through 12.1.3 and 12.2.3 through 12.2.10; no authentication or user interaction is required.

CVSS severity9.1
Critical
EPSS probability1.51%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

An undisclosed Print Server flaw in Oracle One-to-One Fulfillment allows remote attackers to read and alter accessible data over HTTP. Oracle has not published the vulnerable HTTP endpoint or the operation that mishandles a request. Affected releases are 12.1.1 through 12.1.3 and 12.2.3 through 12.2.10; no authentication or user interaction is required.

The record

CVE
CVE-2021-2100
Published
Jan 20, 2021
Updated
Sep 26, 2024
Vendor
Oracle Corporation
Product
Oracle One-to-One Fulfillment
Classifications
Unavailable
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 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 privilegesunauthenticated

What is affected?

Oracle Corporation · Oracle One-to-One Fulfillmentversion=12.1.1-12.1.3; version=12.2.3-12.2.10

Published CVSS scores

9.1Oracle CorporationCVSS:3.1/AV:N/AC:L/PR:N/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
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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