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Vulnerability record · CVE-2021-30357 · published 8 June 2021

CVE-2021-30357: Checkpoint ssl network extender error message information leak vulnerability

Checkpoint · Ssl Network Extender

SSL Network Extender Client for Linux before build 800008302 reveals part of the contents of the configuration file supplied, which allows partially disclosing files to which the user did not have access.

5.3 CVSS 3.1 Medium EPSS 23% · top 2.3% CWE-209 · Error message information leak
5.3CVSS 3.1 base score, v2 5.0
23%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

SSL Network Extender Client for Linux before build 800008302 reveals part of the contents of the configuration file supplied, which allows partially disclosing files to which the user did not have access.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://supportcontent.checkpoint.com/solutions?id=sk173513 Vendor Advisory
https://supportcontent.checkpoint.com/solutions?id=sk173513 Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-30357), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.