Skip to main content

Api Manager CVE-2020-13226

CRITICAL
Server-Side Request Forgery (SSRF) (CWE-918)
2020-05-20 cve@mitre.org
SSRF Api Manager Wso2
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
CWE-918
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V4 - API and Web Service URL allowlisting, SSRF prevention
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Credential Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Sign in to read
Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived

A remote attacker could make the server perform requests to unintended internal or external resources by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.
Act Now Prioritize within 24-48h. Why: CRITICAL severity.
No patch listed yet 2.1% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

WSO2 API Manager 3.0.0 does not properly restrict outbound network access from a Publisher node, opening up the possibility of SSRF to this node's entire intranet. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.

Affected Packages

maven org.wso2.am:am-parent no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in maven

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Sign in to check
Technical ContextAI · show details

This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. WSO2 API Manager 3.0.0 does not properly restrict outbound network access from a Publisher node, opening up the possibility of SSRF to this node's entire intranet. Affected products include: Wso2 Api Manager.

Know when Api Manager gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources
Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

WSO2 API Manager 3.0.0 does not properly restrict outbound network access from a Publisher node, opening up the possibility of SSRF to this node's entire intranet.

Threat Intelligence Overview

EPSS Score
2.1%
Top 21% exploitable
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 2.1%
Patch available No
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

51
Low Medium High Critical
KEV: 0
EPSS: +2
CVSS: +49
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Server-Side Request Forgery HIGH

Server-Side Request Forgery exploits applications that fetch remote resources based on user-supplied URLs.

Affected Products (CPE)NVD

cpe:2.3:a:wso2:api_manager:3.0.0:*:*:*:*:*:*:*

More in Api Manager

View all
CVE-2022-29464 CRITICAL POC
9.8 Apr 18

Certain WSO2 products allow unrestricted file upload with resultant remote code execution. Rated critical severity (CVSS
CVE-2024-7097 MEDIUM POC
4.3 May 30

An incorrect authorization vulnerability exists in multiple WSO2 products due to a flaw in the SOAP admin service, which
CVE-2020-24589 CRITICAL POC
9.1 Aug 21

The Management Console in WSO2 API Manager through 3.1.0 and API Microgateway 2.2.0 allows XML External Entity injection
CVE-2023-31664 MEDIUM POC
6.1 May 23

A reflected cross-site scripting (XSS) vulnerability in /authenticationendpoint/login.do of WSO2 API Manager before 4.2.
CVE-2022-29548 MEDIUM POC
6.1 Apr 21

A reflected XSS issue exists in the Management Console of several WSO2 products. Rated medium severity (CVSS 6.1), this

CVE-2020-27885 MEDIUM POC
6.1 Oct 29

Cross-Site Scripting (XSS) vulnerability on WSO2 API Manager 3.1.0. Rated medium severity (CVSS 6.1), this vulnerability
CVE-2025-9152 CRITICAL
9.8 Oct 16

Unauthenticated remote attackers can exploit missing authentication and authorization checks in the WSO2 API Manager key
CVE-2017-14651 MEDIUM POC
4.8 Sep 21

WSO2 Data Analytics Server 3.1.0 has XSS in carbon/resources/add_collection_ajaxprocessor.jsp via the collectionName or

CVE-2025-2905 CRITICAL
9.1 May 05

Due to the improper configuration of XML parser, user-supplied XML is parsed without applying sufficient restrictions, e
CVE-2020-24590 CRITICAL
9.1 Aug 21

The Management Console in WSO2 API Manager through 3.1.0 and API Microgateway 2.2.0 allows XML Entity Expansion attacks.
CVE-2020-24705 HIGH
8.8 Aug 27

An issue was discovered in certain WSO2 products. Rated high severity (CVSS 8.8), this vulnerability is remotely exploit
CVE-2020-24703 HIGH
8.8 Aug 27

An issue was discovered in certain WSO2 products. Rated high severity (CVSS 8.8), this vulnerability is remotely exploit

Same weakness CWE-918 – Server-Side Request Forgery (SSRF)

View all
CVE-2021-34473 CRITICAL POC
9.1
CVE-2021-26855 CRITICAL POC
9.1
CVE-2021-21985 CRITICAL POC
9.8
CVE-2022-41040 HIGH POC
8.8
CVE-2024-21893 HIGH POC
8.2
CVE-2021-40438 CRITICAL POC
9.0
CVE-2021-22054 HIGH POC
7.5
CVE-2021-21975 HIGH POC
7.5

Same technique SSRF

View all
CVE-2016-3718 MEDIUM POC
5.5

References

Advisories & patches
ADVISORY https://docs.wso2.com/display/Security/Security+Advisories ADVISORY https://docs.wso2.com/display/Security/WSO2+Security+Vulnerability+Management+Process REF https://github.com/wso2/docs-apim/issues/816 REF https://github.com/wso2/product-apim/issues/7677

Search Externally

GitHub PoC Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy