CVE-2023-28339
CVE-2023-28339 is a high-severity vulnerability in Opendoas Project Opendoas with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-269
- Affected product: Opendoas Project Opendoas
- Published:
- Last modified:
Description
OpenDoas through 6.8.2, when TIOCSTI is available, allows privilege escalation because of sharing a terminal with the original session. NOTE: TIOCSTI is unavailable in OpenBSD 6.0 and later, and can be made unavailable in the Linux kernel 6.2 and later.
Frequently asked questions
- What is CVE-2023-28339?
- OpenDoas through 6.8.2, when TIOCSTI is available, allows privilege escalation because of sharing a terminal with the original session. NOTE: TIOCSTI is unavailable in OpenBSD 6.0 and later, and can be made unavailable in the Linux kernel 6.2 and later.
- How severe is CVE-2023-28339?
- CVE-2023-28339 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-28339 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-28339?
- CVE-2023-28339 affects Opendoas Project Opendoas. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-28339?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-28339 published?
- CVE-2023-28339 was published on 2023-03-14 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:opendoas_project:opendoas:*:*:*:*:*:*:*:*
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