CVE-2020-8173
CVE-2020-8173 is a low-severity vulnerability in Nextcloud Nextcloud Server with a CVSS 3.x base score of 2.2. 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-311.
Key facts
- Severity: Low (CVSS 3.x base score 2.2)
- CVSS v2: 3.5
- EPSS exploit prediction: 0% (28th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-311
- Affected product: Nextcloud Nextcloud Server
- Published:
- Last modified:
Description
A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.
Frequently asked questions
- What is CVE-2020-8173?
- A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.
- How severe is CVE-2020-8173?
- CVE-2020-8173 has a CVSS 3.x base score of 2.2, rated low severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2020-8173 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8173?
- CVE-2020-8173 affects Nextcloud Nextcloud Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-8173?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-8173 published?
- CVE-2020-8173 was published on 2020-11-02 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
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