CVE-2020-20545Network attack vector

Authenticated browser script execution via method parameter

Published Mar 30, 2021 · Updated Aug 4, 2024

Cross-site scripting in Zhiyuan G6 Government Collaboration System 6.1SP1 allows remote authenticated users to execute browser scripts. The seeyon/hrSalary.do endpoint fails to neutralize script-capable input supplied through the method parameter before generating web content. Exploitation requires low-privileged access and user interaction, enabling script execution in the affected user's browser context without reported availability impact.

CVSS severity5.4
Medium
EPSS probability0.57%
Next 30 days · Sep 17, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Zhiyuan G6 Government Collaboration System 6.1SP1 allows remote authenticated users to execute browser scripts. The seeyon/hrSalary.do endpoint fails to neutralize script-capable input supplied through the method parameter before generating web content. Exploitation requires low-privileged access and user interaction, enabling script execution in the affected user's browser context without reported availability impact.

The record

CVE
CVE-2020-20545
Published
Mar 30, 2021
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 30, 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 privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/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.

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No observations available

Sep 11, 2026Sep 17, 2026
Latest reporting daySep 17, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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