CVE-2021-22893

KEV
Published: Apr 23, 2021 Last Modified: Ott 30, 2025
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 10,0
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: high
HIGH 7,5
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

Pulse Connect Secure 9.0R3/9.1R1 and higher is vulnerable to an authentication bypass vulnerability exposed by the Windows File Share Browser and Pulse Secure Collaboration features of Pulse Connect Secure that can allow an unauthenticated user to perform remote arbitrary code execution on the Pulse Connect Secure gateway. This vulnerability has been exploited in the wild.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,9338
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

287

Improper Authentication

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability Access Control
Potential Impacts:
Read Application Data Gain Privileges Or Assume Identity Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: ICS/OT, Not Technology-Specific, Web Based
Likelihood of Exploit: High
View CWE Details
416

Use After Free

Stable
Abstraction: Variant Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Availability Confidentiality
Potential Impacts:
Modify Memory Dos: Crash, Exit, Or Restart Execute Unauthorized Code Or Commands
Applicable Platforms
Languages: C, C++, Memory-Unsafe
Likelihood of Exploit: High
View CWE Details
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r4.3:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r8.4:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r9:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r10.2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.0
cpe:2.3:a:ivanti:connect_secure:9.0:r4.1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r11.3:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.0
cpe:2.3:a:ivanti:connect_secure:9.0:-:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r6:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r4.2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.0
cpe:2.3:a:ivanti:connect_secure:9.0:r5.0:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:-:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.0
cpe:2.3:a:ivanti:connect_secure:9.0:r3:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.0
cpe:2.3:a:ivanti:connect_secure:9.0:r2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.0
cpe:2.3:a:ivanti:connect_secure:9.0:r3.3:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r10.0:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.0
cpe:2.3:a:ivanti:connect_secure:9.0:r3.2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.0
cpe:2.3:a:ivanti:connect_secure:9.0:r2.1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.0
cpe:2.3:a:ivanti:connect_secure:9.0:r3.5:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r4:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r5:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r8:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r11.1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.0
cpe:2.3:a:ivanti:connect_secure:9.0:r4:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r11.0:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r7:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r9.1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.0
cpe:2.3:a:ivanti:connect_secure:9.0:r6.0:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r8.1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.0
cpe:2.3:a:ivanti:connect_secure:9.0:r1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r4.1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r3:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r8.2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.0
cpe:2.3:a:ivanti:connect_secure:9.0:r3.1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Connect Secure by Ivanti

Product Information
Vendor Ivanti
Product Connect Secure
Version 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:r9.2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021…
https://blog.pulsesecure.net/pulse-connect-secure-security-…
https://blog.pulsesecure.net/pulse-connect-secure-security-update/
https://kb.cert.org/vuls/id/213092
https://kb.cert.org/vuls/id/213092
https://kb.pulsesecure.net/articles/Pulse_Security_Advisori…
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/
https://www.fireeye.com/blog/threat-research/2021/04/suspec…
https://www.fireeye.com/blog/threat-research/2021/04/suspected-apt-actors-lever…
https://www.kb.cert.org/vuls/id/213092
https://www.kb.cert.org/vuls/id/213092
https://blog.pulsesecure.net/pulse-connect-secure-security-…
https://blog.pulsesecure.net/pulse-connect-secure-security-update/
https://kb.cert.org/vuls/id/213092
https://kb.cert.org/vuls/id/213092
https://kb.pulsesecure.net/articles/Pulse_Security_Advisori…
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/
https://www.fireeye.com/blog/threat-research/2021/04/suspec…
https://www.fireeye.com/blog/threat-research/2021/04/suspected-apt-actors-lever…