CVE-2023-3937Network attack vector

Portal data exposure and modification via cross-site scripting

Published Aug 11, 2023 · Updated Oct 3, 2024

Cross-site scripting in Snow Software Snow License Manager 9.0.0 through 9.30.1 allows remote authenticated users to access and alter portal content. Snow Software has not published the affected portal parameter or the missing validation or output-encoding operation. Exploitation requires a high-privilege account and user interaction in a browser, and the documented effects are limited to portal confidentiality and integrity.

CVSS severity4.8
Medium
EPSS probability0.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Snow Software Snow License Manager 9.0.0 through 9.30.1 allows remote authenticated users to access and alter portal content. Snow Software has not published the affected portal parameter or the missing validation or output-encoding operation. Exploitation requires a high-privilege account and user interaction in a browser, and the documented effects are limited to portal confidentiality and integrity.

The record

CVE
CVE-2023-3937
Published
Aug 11, 2023
Updated
Oct 3, 2024
Vendor
Snow Software
Product
Snow License Manager
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 11, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 3, 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?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=9.0.0 <=9.30.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Snow Software · Snow License Managerversion=9.0.0 <=9.30.1

Published CVSS scores

4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
4.8Snow SoftwareCVSS:3.1/AV:N/AC:L/PR:H/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

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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