CVE-2018-16881
7.5 · HIGHOverview
CVE-2018-16881 is a high-severity vulnerability affecting rsyslog rsyslog. It was published on January 25, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
A denial of service vulnerability was found in rsyslog in the imptcp module. An attacker could send a specially crafted message to the imptcp socket, which would cause rsyslog to crash. Versions before 8.27.0 are vulnerable.
Remediation
Check the references section for vendor advisories and patches from rsyslog. Update rsyslog to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| rsyslog | rsyslog | >= 0, < 8.27.0 | Affected |
References
Frequently Asked Questions
What is CVE-2018-16881?
CVE-2018-16881 is a high-severity vulnerability affecting rsyslog rsyslog. It was published on January 25, 2019 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2018-16881?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-16881?
Check the references section for vendor advisories and patches from rsyslog. Update rsyslog to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-16881?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-16881 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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