CVE-2020-35206Network attack vector

Browser script execution via unencoded ur parameter

Published Jan 11, 2021 · Updated Aug 4, 2024

Reflected XSS in Quest Policy Authority 8.1.2.200 allows remote attackers to execute script in a user's browser through a crafted link. The Web Compliance Manager cConn.jsp endpoint returns the ur query parameter in the generated page without proper output encoding. Exploitation requires a user to open the attacker-supplied link; the script runs in the application's browser context, where it can read or alter accessible page data.

CVSS severity6.1
Medium
EPSS probability1.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Quest Policy Authority 8.1.2.200 allows remote attackers to execute script in a user's browser through a crafted link. The Web Compliance Manager cConn.jsp endpoint returns the ur query parameter in the generated page without proper output encoding. Exploitation requires a user to open the attacker-supplied link; the script runs in the application's browser context, where it can read or alter accessible page data.

The record

CVE
CVE-2020-35206
Published
Jan 11, 2021
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 11, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.3NIST National Vulnerability DatabaseAV:N/AC:M/Au:N/C:N/I:P/A:N
6.1NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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