CVE-2021-2358Network attack vector

Unauthorized data access via REST interfaces

Published Jul 20, 2021 · Updated Sep 26, 2024

Authentication bypass in Oracle Access Manager 11.1.2.3.0 allows remote authenticated users to access critical data through HTTPS REST interfaces. The vulnerable locus is the Access Manager REST interface, but Oracle has not disclosed the specific faulty operation on untrusted input. Exploitation requires high privileges and network access; successful attacks expose critical or all accessible Access Manager data without reported integrity or availability impact.

CVSS severity4.9
Medium
EPSS probability1.59%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Oracle Access Manager 11.1.2.3.0 allows remote authenticated users to access critical data through HTTPS REST interfaces. The vulnerable locus is the Access Manager REST interface, but Oracle has not disclosed the specific faulty operation on untrusted input. Exploitation requires high privileges and network access; successful attacks expose critical or all accessible Access Manager data without reported integrity or availability impact.

The record

CVE
CVE-2021-2358
Published
Jul 20, 2021
Updated
Sep 26, 2024
Vendor
Oracle Corporation
Product
Oracle Access Manager
Classifications
T1078
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jul 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=11.1.2.3.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Oracle Corporation · Oracle Access Managerversion=11.1.2.3.0

Published CVSS scores

4.9OracleCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/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.

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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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1078Valid Accounts

Public exploit references

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Technologies

Your stack

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Your stack

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