CVE-2021-37447
CVE-2021-37447 is a high-severity vulnerability in Nchsoftware Quorum with a CVSS 3.x base score of 8.1. 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: High (CVSS 3.x base score 8.1)
- CVSS v2: 5.5
- EPSS exploit prediction: 2% (73rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Nchsoftware Quorum
- Published:
- Last modified:
Description
In NCH Quorum v2.03 and earlier, an authenticated user can use directory traversal via documentdelete?file=/.. for file deletion.
Frequently asked questions
- What is CVE-2021-37447?
- In NCH Quorum v2.03 and earlier, an authenticated user can use directory traversal via documentdelete?file=/.. for file deletion.
- How severe is CVE-2021-37447?
- CVE-2021-37447 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
- Is CVE-2021-37447 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-37447?
- CVE-2021-37447 affects Nchsoftware Quorum. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-37447?
- 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-2021-37447 published?
- CVE-2021-37447 was published on 2021-07-25 and last updated on 2026-06-17.
References
- https://github.com/0xfml/poc/blob/main/NCH/Quorum_2.03_LFI.md
- https://www.nch.com.au/conference/index.html
Affected products (1)
- cpe:2.3:a:nchsoftware:quorum:*:*:*:*:*:*:*:*
More vulnerabilities in Nchsoftware Quorum
- CVE-2021-37445 — Medium (CVSS 6.5): In NCH Quorum v2.03 and earlier, an authenticated user can use directory traversal via logprop?file=/.. for file…
- CVE-2021-37467 — Medium (CVSS 5.4): In NCH Quorum v2.03 and earlier, XSS exists via /conferencebrowseuploadfile?confid= (reflected).
- CVE-2021-37466 — Medium (CVSS 5.4): In NCH Quorum v2.03 and earlier, XSS exists via /conference?id= (reflected).
- CVE-2021-37465 — Medium (CVSS 5.4): In NCH Quorum v2.03 and earlier, XSS exists via /uploaddoc?id= (reflected).
- CVE-2021-37464 — Medium (CVSS 5.4): In NCH Quorum v2.03 and earlier, XSS exists via Conference Description (stored).
- CVE-2021-37463 — Medium (CVSS 5.4): In NCH Quorum v2.03 and earlier, XSS exists via User Display Name (stored).
All CVEs affecting Nchsoftware Quorum →
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