CVE-2016-2055
CVE-2016-2055 is a high-severity vulnerability in Xymon with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 18% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 18% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-200
- Affected product: Xymon
- Published:
- Last modified:
Description
xymond/xymond.c in xymond in Xymon 4.1.x, 4.2.x, and 4.3.x before 4.3.25 allow remote attackers to read arbitrary files in the configuration directory via a "config" command.
Frequently asked questions
- What is CVE-2016-2055?
- xymond/xymond.c in xymond in Xymon 4.1.x, 4.2.x, and 4.3.x before 4.3.25 allow remote attackers to read arbitrary files in the configuration directory via a "config" command.
- How severe is CVE-2016-2055?
- CVE-2016-2055 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2016-2055 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-2055?
- CVE-2016-2055 primarily affects Xymon. In total, 44 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2016-2055?
- 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-2016-2055 published?
- CVE-2016-2055 was published on 2016-04-13 and last updated on 2026-06-17.
References
- http://packetstormsecurity.com/files/135758/Xymon-4.3.x-Buffer-Overflow-Code-Execution-Information-Disclosure.html
- http://www.debian.org/security/2016/dsa-3495
- http://www.securityfocus.com/archive/1/537522/100/0/threaded
- https://sourceforge.net/p/xymon/code/7890/
Affected products (44)
- cpe:2.3:a:xymon:xymon:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.1.2:p1:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.1.2:p2:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.2:alfa:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.2:beta20060605:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.2:rc20060712:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.2.2:rc1:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.2.3:rc1:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.4:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.5:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.6:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.7:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.8:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.9:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.10:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.11:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.12:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.13:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.14:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.15:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.16:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.17:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.18:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.19:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.19:rc1:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.20:*:*:*:*:*:*:*
- cpe:2.3:a:xymon:xymon:4.3.21:*:*:*:*:*:*:*
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