CVE-2021-31589
BeyondTrust Secure Remote Access Base Software through 6.0.1 allows an attacker to achieve full...
CVE-2021-31589 is a medium vulnerability (CVSS 6.1) in Beyondtrust Appliance Base Software, published January 5, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 26.0%, the 98th percentile. No source names a fixed version.
- Severity
- 6.1 MediumCVSS 3.1, NVD
- Exploit chance
- 26.0%EPSS, 98th percentile
- Exploitation
- None known2 public exploits
- Fixed in
- No fix listedNo source names one
Description
A cross-site scripting (XSS) vulnerability has been reported and confirmed for BeyondTrust Secure Remote Access Base Software version 6.0.1 and older, which allows the injection of unauthenticated, specially-crafted web requests without proper sanitization.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | BeyondTrust Secure Remote Access Base <=6.0.1 - Cross-Site Scripting | |
| PoC in GitHub | karthi-the-hacker/CVE-2021-31589 | 2023-04-19 |
What each source reports
NVD Score used
A cross-site scripting (XSS) vulnerability has been reported and confirmed for BeyondTrust Secure Remote Access Base Software version 6.0.1 and older, which allows the injection of unauthenticated, specially-crafted web requests without proper sanitization.
- Record
CVE-2021-31589- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE ListNo score
A cross-site scripting (XSS) vulnerability has been reported and confirmed for BeyondTrust Secure Remote Access Base Software version 6.0.1 and older, which allows the injection of unauthenticated, specially-crafted web requests without proper sanitization.
- Record
CVE-2021-31589- Updated
- 2026-11-02
EUVDEUVD-2021-18483No score
A cross-site scripting (XSS) vulnerability has been reported and confirmed for BeyondTrust Secure Remote Access Base Software version 6.0.1 and older, which allows the injection of unauthenticated, specially-crafted web requests without proper sanitization.
- Record
EUVD-2021-18483- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fw8v-3m7h-4jwgNo score
BeyondTrust Secure Remote Access Base Software through 6.0.1 allows an attacker to achieve full...
BeyondTrust Secure Remote Access Base Software through 6.0.1 allows an attacker to achieve full admin access to the appliance, by tricking the administrator into creating a new admin account through an XSS/CSRF attack involving a crafted request to the /appliance/users?action=edit endpoint. This cross-site-scripting (XSS) vulnerability occurs when it does not properly sanitize an unauthenticated crafted web request to the server
- Record
GHSA-fw8v-3m7h-4jwg- Weakness
- CWE-79, CWE-352
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.