6.1

CVE-2021-31589: beyondtrust appliance_base_software Cross-site Scripting

CVSS: 6.1v3.1MediumModified
Published 05-01-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-31589 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in beyondtrust appliance_base_software. EPSS estimates a 25.99% chance of exploitation in the next 30 days, higher than 97.9% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
25.99%
0%100%
High · +0.86 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 05-01-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

25.99%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

+0.86 pp

From 25.13% on 19-09-2026

19-09-202619-10-2026
EPSS score
25.99%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (cxsecurity.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Beyondtrust1 product

1 vendor · 1 product

References

3 links