CVE-2021-2255Network attack vector

Low-privilege access and alteration of contract data

Published Apr 22, 2021 · Updated Sep 26, 2024

Undisclosed flaw in Oracle Service Contracts 12.1.1 through 12.1.3 allows remote authenticated users to read and alter contract data. Oracle identifies the Authoring component but has not published the affected endpoint, input, or incorrect operation. Network access over HTTP and a low-privilege account are required; successful exploitation permits complete access to, creation of, deletion of, or modification of Service Contracts data.

CVSS severity8.1
High
EPSS probability0.93%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Undisclosed flaw in Oracle Service Contracts 12.1.1 through 12.1.3 allows remote authenticated users to read and alter contract data. Oracle identifies the Authoring component but has not published the affected endpoint, input, or incorrect operation. Network access over HTTP and a low-privilege account are required; successful exploitation permits complete access to, creation of, deletion of, or modification of Service Contracts data.

The record

CVE
CVE-2021-2255
Published
Apr 22, 2021
Updated
Sep 26, 2024
Vendor
Oracle
Product
Oracle Service Contracts
Classifications
T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 22, 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

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Oracle · Oracle Service Contractsversion=12.1.1-12.1.3

Published CVSS scores

5.5NIST NVDAV:N/AC:L/Au:S/C:P/I:P/A:N
8.1OracleCVSS: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

T1190Exploit Public-Facing Application

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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