CVE-2016-0726
CVE-2016-0726 is a critical-severity vulnerability in Nagios with a CVSS 3.x base score of 9.8. 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-798.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (81st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-798
- Affected product: Nagios
- Published:
- Last modified:
Description
The Fedora Nagios package uses "nagiosadmin" as the default password for the "nagiosadmin" administrator account, which makes it easier for remote attackers to obtain access by leveraging knowledge of the credentials.
Frequently asked questions
- What is CVE-2016-0726?
- The Fedora Nagios package uses "nagiosadmin" as the default password for the "nagiosadmin" administrator account, which makes it easier for remote attackers to obtain access by leveraging knowledge of the credentials.
- How severe is CVE-2016-0726?
- CVE-2016-0726 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2016-0726 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-0726?
- CVE-2016-0726 affects Nagios. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-0726?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2016-0726 published?
- CVE-2016-0726 was published on 2017-06-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:nagios:nagios:-:*:*:*:*:*:*:*
More vulnerabilities in Nagios
- CVE-2008-4796 — Critical (CVSS 10.0): The _httpsrequest function (Snoopy/Snoopy.class.php) in Snoopy 1.2.3 and earlier, as used in (1) ampache, (2)…
- CVE-2002-1959 — Critical (CVSS 10.0): Nagios 1.0b1 through 1.0b3 allows remote attackers to execute arbitrary commands via shell metacharacters in plugin…
- CVE-2014-5009 — Critical (CVSS 9.8): Snoopy allows remote attackers to execute arbitrary commands. NOTE: this vulnerability exists due to an incomplete fix…
- CVE-2008-7313 — Critical (CVSS 9.8): The _httpsrequest function in Snoopy allows remote attackers to execute arbitrary commands. NOTE: this issue exists…
- CVE-2016-9565 — Critical (CVSS 9.8): MagpieRSS, as used in the front-end component in Nagios Core before 4.2.2 might allow remote attackers to read or write…
- CVE-2020-6585 — High (CVSS 8.8): Nagios Log Server 2.1.3 has CSRF.
Other CWE-798 (Use of Hard-coded Credentials) vulnerabilities
- CVE-2026-13768 — Critical (CVSS 10.0): Gardyn devices expose a privileged iothubowner key. Access to this key will allow a malicious user to invoke an IoTHub…
- CVE-2026-45631 — Critical (CVSS 10.0): Dokploy is a free, self-hostable Platform as a Service (PaaS). From 0.27.0 to before 0.29.3, a hardcoded…
- CVE-2026-22769 — Critical (CVSS 10.0): Dell RecoverPoint for Virtual Machines, versions prior to 6.0.3.1 HF1, contain a hardcoded credential vulnerability.…
- CVE-2025-42890 — Critical (CVSS 10.0): SQL Anywhere Monitor (Non-GUI) baked credentials into the code,exposing the resources or functionality to unintended…
- CVE-2025-7503 — Critical (CVSS 10.0): An OEM IP camera manufactured by Shenzhen Liandian Communication Technology LTD exposes a Telnet service (port 23) with…
- CVE-2025-20309 — Critical (CVSS 10.0): A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session…
Browse all CWE-798 (Use of Hard-coded Credentials) vulnerabilities →