Vulnerability · Published Feb 23, 2021 · Assigned by hackerone
CVE-2020-8297
Medium 4.3
In plain English
A medium-severity authorization bypass via user-controlled key in Nextcloud Deck. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).
Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)1.3%top 28.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Nextcloud Deck before 1.0.2 suffers from an insecure direct object reference (IDOR) vulnerability that permits users with a duplicate user identifier to access deck data of a previous deleted user.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Nextcloud Deck | Fixed in 1.0.2 |
Weakness: CWE-639
References
- https://hackerone.com/reports/882258 x_refsource_MISC
- https://nextcloud.com/security/advisory/?id=NC-SA-2021-007 x_refsource_MISC
- https://github.com/nextcloud/deck/pull/1976 x_refsource_MISC