CVE-2017-16834
CVE-2017-16834 is a high-severity vulnerability in Pnp4nagios with a CVSS 3.x base score of 7.8. 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-732.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 7.2
- EPSS exploit prediction: 0% (28th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-732
- Affected product: Pnp4nagios
- Published:
- Last modified:
Description
PNP4Nagios through 0.6.26 has /usr/bin/npcd and npcd.cfg owned by an unprivileged account but root code execution depends on these files, which allows local users to gain privileges by leveraging access to this unprivileged account.
Frequently asked questions
- What is CVE-2017-16834?
- PNP4Nagios through 0.6.26 has /usr/bin/npcd and npcd.cfg owned by an unprivileged account but root code execution depends on these files, which allows local users to gain privileges by leveraging access to this unprivileged account.
- How severe is CVE-2017-16834?
- CVE-2017-16834 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-16834 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-16834?
- CVE-2017-16834 affects Pnp4nagios. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-16834?
- 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-2017-16834 published?
- CVE-2017-16834 was published on 2017-11-16 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:pnp4nagios:pnp4nagios:*:*:*:*:*:*:*:*
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