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01 Record

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.

UnratedPUBLISHEDCNA: hackerone
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

Missing access control in Nextcloud Deck 1.0.4 caused an insecure direct object reference allowing an attacker to view all attachments.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.78% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 55.4% of scored records. A rank, not a probability.
NVD base score
4.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-10-05 13:16Z6 YR AGO
Last updated
2024-08-04 09:56Z2 YR AGO
Reserved
2020-01-28
Assigning CNA
hackerone
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-639Authorization Bypass Through User-Controlled KeyBase
Data version
5.1
Document digest
92b1e7fd1af6cae2279f09631fad125e9b2f44079512fbcc5f94a5f8fbeb9a53

05 Affected products

VendorProductVersionsPlatforms
n/aNextcloud Deck appFixed in 1.0.5—

06 References