CyberSecBulletin
CVE-2024-4129NVD status: Deferred

Snow License Manager: Improper Authentication

Published Updated By the CyberSecBulletin desk

CVE-2024-4129 is a high-severity improper authentication vulnerability in Snow License Manager from Snow Software AB, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. Affected Snow License Manager versions: 9.33.2 through 9.34.0. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.48% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of Snow License Manager you run against the affected versions below, and install the vendor's latest release.

Affected products and versions

VendorProductAffected versionsFixed in
Snow Software ABSnow License Manager9.33.2 through 9.34.0Not stated
Snowsoftwaresnow_license_manager9.33.2 through 9.34.0Not stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (snowsoftware.com).

Official description

Improper Authentication vulnerability in Snow Software AB Snow License Manager on Windows allows a networked attacker to perform an Authentication Bypass if Active Directory Authentication is enabled.This issue affects Snow License Manager: from 9.33.2 through 9.34.0.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

How developers prevent this class of flaw

  • Use an authentication framework or library such as the OWASP ESAPI Authentication feature.

More Improper Authentication vulnerabilities (CWE-287)

Timeline

  1. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  2. CVE record published.
  3. Record last changed materially (score, affected products, status or references).

References

Recent Improper Authentication vulnerabilities

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