CVE-2020-35488

CVSS V2 Medium 4.3 CVSS V3 High 7.5
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.)
Overview
  • CVE ID
  • CVE-2020-35488
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-01-05T15:15:13
  • Last Modified Date
  • 2022-04-29T12:45:33
Weakness Enumerations
CWE URL
CWE-502 http://cwe.mitre.org/data/definitions/502.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:nxlog:nxlog:*:*:*:*:community:*:*:* 1 OR 3.0.2272
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-35488
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35488
History
Created Old Value New Value Data Type Notes
2022-05-08 06:20:36 Added to TrackCVE
2022-12-05 19:21:56 2021-01-05T15:15Z 2021-01-05T15:15:13 CVE Published Date updated
2022-12-05 19:21:56 2022-04-29T12:45:33 CVE Modified Date updated
2022-12-05 19:21:56 Analyzed Vulnerability Status updated