CVE-2021-2091Network attack vector

Unauthenticated critical data access and modification

Published Jan 20, 2021 · Updated Sep 26, 2024

An undisclosed flaw in Oracle Scripting 12.1.1 through 12.1.3 and 12.2.3 through 12.2.10 allows remote attackers to read and modify data via HTTP. Oracle has not disclosed the affected request handler or the operation it performs incorrectly on untrusted HTTP input. Exploitation requires another person to interact with the attack and grants full read access to Oracle Scripting data plus limited update, insertion, and deletion access.

CVSS severity8.2
High
EPSS probability1.17%
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 Oracle Scripting 12.1.1 through 12.1.3 and 12.2.3 through 12.2.10 allows remote attackers to read and modify data via HTTP. Oracle has not disclosed the affected request handler or the operation it performs incorrectly on untrusted HTTP input. Exploitation requires another person to interact with the attack and grants full read access to Oracle Scripting data plus limited update, insertion, and deletion access.

The record

CVE
CVE-2021-2091
Published
Jan 20, 2021
Updated
Sep 26, 2024
Vendor
Unknown vendor
Product
Unknown product
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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

8.2OracleCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
5.8NIST NVDAV:N/AC:M/Au:N/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
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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