CVE-2023-29323
7.8 · HIGHOverview
CVE-2023-29323 is a high-severity vulnerability affecting opensmtpd opensmtpd. It was published on April 4, 2023 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
ascii_load_sockaddr in smtpd in OpenBSD before 7.1 errata 024 and 7.2 before errata 020, and OpenSMTPD Portable before 7.0.0-portable commit f748277, can abort upon a connection from a local, scoped IPv6 address.
Remediation
Check the references section for vendor advisories and patches from opensmtpd. Update opensmtpd 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 |
|---|---|---|---|
| opensmtpd | opensmtpd | >= 0, < 7.0.0 | Affected |
References
Frequently Asked Questions
What is CVE-2023-29323?
CVE-2023-29323 is a high-severity vulnerability affecting opensmtpd opensmtpd. It was published on April 4, 2023 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2023-29323?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2023-29323?
Check the references section for vendor advisories and patches from opensmtpd. Update opensmtpd 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-2023-29323?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-29323 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
AI agents map your attack surface to find vulnerabilities like this one.
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