CVE-2020-8296
CVE-2020-8296 is a medium-severity vulnerability in Nextcloud Nextcloud Server with a CVSS 3.x base score of 6.7. 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-521.
Key facts
- Severity: Medium (CVSS 3.x base score 6.7)
- CVSS v2: 4.6
- EPSS exploit prediction: 1% (40th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-521
- Affected product: Nextcloud Nextcloud Server
- Published:
- Last modified:
Description
Nextcloud Server prior to 20.0.0 stores passwords in a recoverable format even when external storage is not configured.
Frequently asked questions
- What is CVE-2020-8296?
- Nextcloud Server prior to 20.0.0 stores passwords in a recoverable format even when external storage is not configured.
- How severe is CVE-2020-8296?
- CVE-2020-8296 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-8296 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8296?
- CVE-2020-8296 primarily affects Nextcloud Nextcloud Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-8296?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-8296 published?
- CVE-2020-8296 was published on 2021-03-03 and last updated on 2026-06-17.
References
- https://github.com/nextcloud/server/issues/17439
- https://github.com/nextcloud/server/pull/21037
- https://hackerone.com/reports/867164
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S/
- https://nextcloud.com/security/advisory/?id=NC-SA-2021-006
Affected products (2)
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
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