NVD / CVE Program· CNA oracle

CVE-2021-35587: Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: OpenSSO Agent).

Noroxi assessment

Priority: Now (action score 98/100)

CISA has confirmed exploitation in the wild (Nov 28, 2022). Remediation deadline for US federal agencies: Dec 19, 2022.
A ready-made attack module is public (Metasploit, Nuclei); exploiting it takes no special expertise.
Probability of exploitation in the next 30 days: 96.2% (FIRST EPSS); higher than 99.8% of all records.
Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
According to CISA the attack is automatable: targets can be found by mass scanning.
According to the record, no fixed version is available yet.
Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Patch today or shut off access. Until a fix is released, restrict access to the affected component and follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · CISA KEV · FIRST EPSS

Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: OpenSSO Agent). Supported versions that are affected are 11.1.2.3.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in takeover of Oracle Access Manager. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CriticalCVSS 9.8 · v3.1KEVWeaponized No fix recorded

BDU:2022-01248

Published: Jan 19, 2022
Updated: Jun 16, 2026
EPSS: 96.2% · 99th percentile
CWE: CWE-306

Report tools

JSON

Action score

Now

Patch today or shut off access.

CVSS: 39 / 40 · 9.8 / 10
CISA KEV: 30 / 30 · Listed
EPSS: 29 / 30 · 96.2%

CISA SSVC decision

Exploitation: active
Automatable: yes
Technical impact: total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD: —
CNA · oracle: 9.8; NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Actively exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on Nov 28, 2022. That signals real attacks, not theory.

Remediation deadline for US federal agencies: Dec 19, 2022.

Get told when this record changes

In CISA KEV: exploitation in the wild confirmed
Weaponized exploit exists
No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
oracle	access manager	cpe:2.3:a:oracle:access_manager

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

oracle access manager11.1.2.3.0
oracle access manager12.2.1.3.0
oracle access manager12.2.1.4.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (oracle). Independent of NVD's CPE analysis and usually ahead of it.

Oracle Corporation Access Manager
- 11.1.2.3.0, 12.2.1.3.0, 12.2.1.4.0affected

Same product

oracle: all records

Other highest-scoring records for the same primary product.

CVE-2020-2555Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Caching,CacheStore,Invocation).KEV
98Now
CVE-2018-2879Vulnerability in the Oracle Access Manager component of Oracle Fusion Middleware (subcomponent: Authentication Engine).
42Plan
CVE-2026-71133Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine).
40Plan

Published before and after this one in the same product

← EarlierCVE-2020-2747Apr 15, 2020 · Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: SSO Engine).
21Monitor
← EarlierCVE-2021-2358Jul 21, 2021 · Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Rest interfaces for Access Mgr).
19Monitor
Later →CVE-2022-39405Oct 18, 2022 · Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine).
21Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

Metasploit module ×1
Nuclei detection template ×1
Proof-of-concept repository on GitHub ×2

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
Source	Kind	Date
Nuclei detection template	Nuclei template CVE-2021-35587	—
Metasploit module	exploit/multi/http/oracle_access_manager_rce_cve_2021_35587Oracle Access Manager unauthenticated Remote Code Executionexploit	2022-01-19
Proof-of-concept repository on GitHub	stars:42	2022-03-14
Proof-of-concept repository on GitHub	stars:0	2026-08-28

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

MetasploitJan 19, 2022same day
PublishedJan 19, 2022
First PoCMar 14, 2022+54 d
CISA KEVNov 28, 2022+313 d
TodayOct 26, 2026+1741 d

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

TR-22-0712 · Nov 30, 2022(Oracle MySQL Güvenlik Zafiyeti)

All national notices →

Technical details

Attack conditions

Anyone who can reach it over the internet can trigger it.
No account or password is required.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality: high · data can be read
Integrity: high · data or configuration can be modified
Availability: high · the service can be disrupted

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

CWE-306 · Missing Authentication for Critical Function

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-secondary

Root cause

A function added for development or support ships to production without authentication. It often relies on the assumption that it is “only reachable from the internal network.”

The bug in code

The whole CWE-306 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

1// Added for the support team
2app.post("/maintenance/reset", resetDevice);

Fixed

1if (config.maintenanceEnabled) {
2  app.post(
3    "/maintenance/reset",
4    requireSession, requireRole("admin"), resetDevice
5  );
6}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

www.oracle.com/security-alerts/cpujan2022.html

Show all references (1 more)

www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35587

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records

Noroxi analysis

What does it mean in your environment?

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Data sources and verification

CNA: oracle

CVE.org (CNA)Oct 21, 2025, 11:15 PM UTC
CISA ADPOct 21, 2025, 11:15 PM UTC
NVDJun 16, 2026, 11:57 PM UTC
FIRST EPSSOct 25, 2026, 12:00 AM UTC
MetasploitOct 26, 2026, 3:19 AM UTC
NucleiOct 26, 2026, 3:19 AM UTC
PoC-in-GitHubOct 26, 2026, 3:19 AM UTC

Each line is when that source was last processed for this record.