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01 Record

CVE-2021-32654

Attacker can obtain write access to any federated share/public link

HighPUBLISHEDCNA: GitHub_M
CNA base score8.1 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

02 Description

Attacker can obtain write access to any federated share/public link

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
1.84% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 78.9% of scored records. A rank, not a probability.
NVD base score
9.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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
2021-06-01 20:45Z5 YR AGO
Last updated
2024-08-03 23:25Z2 YR AGO
Reserved
2021-05-12
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
High (CVSS 8.1)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-639Authorization Bypass Through User-Controlled KeyBase
Data version
5.1
Document digest
fff085d893d1a443efd87a16964c657accbdc03317abafb4c8842522b5806ef0

05 Affected products

VendorProductVersionsPlatforms
nextcloudsecurity-advisories< 19.0.11, >= 20.0.0, < 20.0.10, >= 21.0.0, < 21.0.2—

06 References

07 Fixed in

Arch Linux

  • nextcloud
    Fixed in 21.0.2-1

Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.