CVE-2020-35488

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

The fileop module of the NXLog service in NXLog Community Edition 2.10.2150 allows remote attackers to cause a denial of service (daemon crash) via a crafted Syslog payload to the Syslog service. This attack requires a specific configuration. Also, the name of the directory created must use a Syslog field. (For example, on Linux it is not possible to create a .. directory. On Windows, it is not possible to create a CON directory.)

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/GuillaumePetit84/CVE-2020-35488Exploit, Mitigation, Third Party Advisory
https://gitlab.com/nxlog-public/nxlog-ce/-/blob/master/ChangeLog.txt#L2Release Notes, Third Party Advisory
https://github.com/GuillaumePetit84/CVE-2020-35488Exploit, Mitigation, Third Party Advisory
https://gitlab.com/nxlog-public/nxlog-ce/-/blob/master/ChangeLog.txt#L2Release Notes, Third Party Advisory

Timeline

Published: Jan 5, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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