CVE-2021-37440
CVE-2021-37440 is a medium-severity vulnerability in Nch Axon Pbx with a CVSS 3.x base score of 6.5. 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-22.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.0
- EPSS exploit prediction: 1% (66th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Nch Axon Pbx
- Published:
- Last modified:
Description
NCH Axon PBX v2.22 and earlier allows path traversal for file disclosure via the logprop?file=/.. substring.
Frequently asked questions
- What is CVE-2021-37440?
- NCH Axon PBX v2.22 and earlier allows path traversal for file disclosure via the logprop?file=/.. substring.
- How severe is CVE-2021-37440?
- CVE-2021-37440 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-37440 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-37440?
- CVE-2021-37440 affects Nch Axon Pbx. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-37440?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-37440 published?
- CVE-2021-37440 was published on 2021-07-25 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:nch:axon_pbx:*:*:*:*:*:*:*:*
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.
- CVE-2018-11551 — High (CVSS 7.8): AXON PBX 2.02 contains a DLL hijacking vulnerability that could allow an unauthenticated, remote attacker to execute…
- CVE-2018-11552 — Medium (CVSS 6.1): There is a reflected XSS vulnerability in AXON PBX 2.02 via the "AXON->Auto-Dialer->Agents->Name" field. The…
All CVEs affecting Nch Axon Pbx →
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