CVE-2021-22936 : A vulnerability in Pulse Connect Secure before 9.1R12 could allow a threat actor

A vulnerability in Pulse Connect Secure before 9.1R12 could allow a threat actor to perform a cross-site script attack against an authenticated administrator via an unsanitized web parameter.

Published 2021-08-16 19:15:14

Updated 2024-02-27 21:04:18

Source HackerOne

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2021-22936

Pulsesecure » Pulse Connect Secure
Versions before (<) 9.1
cpe:2.3:a:pulsesecure:pulse_connect_secure:*:*:*:*:*:*:*:*
Matching versions
Ivanti » Connect Secure » Version: 9.1
cpe:2.3:a:ivanti:connect_secure:9.1:-:*:*:*:*:*:*
Matching versions
Ivanti » Connect Secure » Version: 9.1 Update R10.0
cpe:2.3:a:ivanti:connect_secure:9.1:r10.0:*:*:*:*:*:*
Matching versions
Ivanti » Connect Secure » Version: 9.1 Update R11.0
cpe:2.3:a:ivanti:connect_secure:9.1:r11.0:*:*:*:*:*:*
Matching versions
Ivanti » Connect Secure » Version: 9.1 Update R1.0
cpe:2.3:a:ivanti:connect_secure:9.1:r1.0:*:*:*:*:*:*
Matching versions
Ivanti » Connect Secure » Version: 9.1 Update R2.0
cpe:2.3:a:ivanti:connect_secure:9.1:r2.0:*:*:*:*:*:*
Matching versions
Ivanti » Connect Secure » Version: 9.1 Update R3.0
cpe:2.3:a:ivanti:connect_secure:9.1:r3.0:*:*:*:*:*:*
Matching versions
Ivanti » Connect Secure » Version: 9.1 Update R4.0
cpe:2.3:a:ivanti:connect_secure:9.1:r4.0:*:*:*:*:*:*
Matching versions
Ivanti » Connect Secure » Version: 9.1 Update R5.0
cpe:2.3:a:ivanti:connect_secure:9.1:r5.0:*:*:*:*:*:*
Matching versions
Ivanti » Connect Secure » Version: 9.1 Update R6.0
cpe:2.3:a:ivanti:connect_secure:9.1:r6.0:*:*:*:*:*:*
Matching versions
Ivanti » Connect Secure » Version: 9.1 Update R7.0
cpe:2.3:a:ivanti:connect_secure:9.1:r7.0:*:*:*:*:*:*
Matching versions
Ivanti » Connect Secure » Version: 9.1 Update R8.0
cpe:2.3:a:ivanti:connect_secure:9.1:r8.0:*:*:*:*:*:*
Matching versions
Ivanti » Connect Secure » Version: 9.1 Update R9.0
cpe:2.3:a:ivanti:connect_secure:9.1:r9.0:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-22936

EPSS FAQ

0.08%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 33 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-22936

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2021-22936

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Assigned by:
- nvd@nist.gov (Primary)
- support@hackerone.com (Secondary)

References for CVE-2021-22936

https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44858/?kA23Z000000L6oySAC

Pulse Security Advisory: SA44858 - 9.1R12 Security Fixes
Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2021-22936

Products affected by CVE-2021-22936

Exploit prediction scoring system (EPSS) score for CVE-2021-22936

CVSS scores for CVE-2021-22936

CWE ids for CVE-2021-22936

References for CVE-2021-22936