7.5
HIGH
CVE-2020-35488
NXLog Fileop Denial of Service (DoS) Vulnerability
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.)

INFO

Published Date :

Jan. 5, 2021, 3:15 p.m.

Last Modified :

April 29, 2022, 12:45 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-35488 has a 4 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-35488 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Nxlog nxlog
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-35488.

URL Resource
https://github.com/GuillaumePetit84/CVE-2020-35488 Exploit Mitigation Third Party Advisory
https://gitlab.com/nxlog-public/nxlog-ce/-/blob/master/ChangeLog.txt#L2 Release Notes Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

nxlog ubuntu CVE-2020-35488

nxlog-ce ubuntu1804 ubuntu2004 cve

Makefile Shell

Updated: 3 years, 1 month ago
0 stars 0 fork 0 watcher
Born at : Oct. 12, 2021, 6:25 p.m. This repo has been linked 1 different CVEs too.

None

Updated: 1 month, 2 weeks ago
34 stars 3 fork 3 watcher
Born at : March 12, 2021, 12:22 p.m. This repo has been linked 1063 different CVEs too.

None

Updated: 2 months ago
19 stars 10 fork 10 watcher
Born at : Jan. 2, 2021, 10:19 p.m. This repo has been linked 1052 different CVEs too.

None

Python

Updated: 2 years, 7 months ago
1 stars 0 fork 0 watcher
Born at : Dec. 15, 2020, 5:55 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-35488 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-35488 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Apr. 29, 2022

    Action Type Old Value New Value
    Changed Reference Type https://gitlab.com/nxlog-public/nxlog-ce/-/blob/master/ChangeLog.txt#L2 No Types Assigned https://gitlab.com/nxlog-public/nxlog-ce/-/blob/master/ChangeLog.txt#L2 Release Notes, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:nxlog:nxlog:2.10.2150:*:*:*:community:*:*:* OR *cpe:2.3:a:nxlog:nxlog:*:*:*:*:community:*:*:* versions up to (excluding) 3.0.2272
  • CVE Modified by [email protected]

    Mar. 03, 2022

    Action Type Old Value New Value
    Added Reference https://gitlab.com/nxlog-public/nxlog-ce/-/blob/master/ChangeLog.txt#L2 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 07, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://github.com/GuillaumePetit84/CVE-2020-35488 No Types Assigned https://github.com/GuillaumePetit84/CVE-2020-35488 Exploit, Mitigation, Third Party Advisory
    Added CWE NIST CWE-502
    Added CPE Configuration OR *cpe:2.3:a:nxlog:nxlog:2.10.2150:*:*:*:community:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-35488 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-35488 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

3.45 }} 0.99%

score

0.91644

percentile

CVSS31 - Vulnerability Scoring System
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