CVE-2018-11551
CVE-2018-11551 is a high-severity vulnerability in Nch Axon Pbx 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-426.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 9.3
- EPSS exploit prediction: 2% (83rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-426
- Affected product: Nch Axon Pbx
- Published:
- Last modified:
Description
AXON PBX 2.02 contains a DLL hijacking vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on a targeted system. The vulnerability exists because a DLL file is loaded by 'pbxsetup.exe' improperly.
Frequently asked questions
- What is CVE-2018-11551?
- AXON PBX 2.02 contains a DLL hijacking vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on a targeted system. The vulnerability exists because a DLL file is loaded by 'pbxsetup.exe' improperly.
- How severe is CVE-2018-11551?
- CVE-2018-11551 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-11551 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-11551?
- CVE-2018-11551 affects Nch Axon Pbx. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-11551?
- 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-2018-11551 published?
- CVE-2018-11551 was published on 2018-06-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:nch:axon_pbx:2.02:*:*:*:*:*:*:*
More vulnerabilities in Nch Axon Pbx
- CVE-2021-37441 — High (CVSS 8.8): NCH Axon PBX v2.22 and earlier allows path traversal for file deletion via the logdelete?file=/.. substring.
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