Medium severity · published Oct 5, 2020
CVE-2020-8235
Missing access control in Nextcloud Deck 1.0.4 caused an insecure direct object reference allowing an attacker to view all attachments
4.3
CVSS
0.8%
EPSS
No
On KEV
Description
Missing access control in Nextcloud Deck 1.0.4 caused an insecure direct object reference allowing an attacker to view all attachments.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DE
Deck · Nextcloud
1.0.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8235
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8235
Exploit
https://hackerone.com/reports/916704
Vendor Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-036
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