THREATPORT/VULNERABILITY/CVE-2020-35488
HIGH SEVERITY

CVE-2020-35488

Nxlog vulnerability

CVSS
7.5
EPSS
7.6%
EPSS pct
94th
Exploited
No known
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.)
Affected vendor
Nxlog
Affected product
Nxlog
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-502 — Deserialization of Untrusted Data
Published
2021-01-05

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 7.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2020-35488

  • Confirm whether Nxlog Nxlog is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-35488.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-35488

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-35488 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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