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nextcloud vulnerabilities and exploits
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3.5
CVSSv2
CVE-2019-15618
Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting the updater from a malicious location.
Nextcloud Nextcloud Server
4
CVSSv2
CVE-2019-15621
Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link.
Nextcloud Nextcloud Server
4
CVSSv2
CVE-2020-8117
Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event.
Nextcloud Nextcloud Server
4
CVSSv2
CVE-2020-8119
Improper authorization in Nextcloud server 17.0.0 causes leaking of previews and files when a file-drop share link is opened via the gallery app.
Nextcloud Nextcloud Server
5.5
CVSSv2
CVE-2020-8121
A bug in Nextcloud Server 14.0.4 could expose more data in reshared link shares than intended by the sharer.
Nextcloud Nextcloud Server
4
CVSSv2
CVE-2020-8122
A missing check in Nextcloud Server 14.0.3 could give recipient the possibility to extend the expiration date of a share they received.
Nextcloud Nextcloud Server
4
CVSSv2
CVE-2020-8138
A missing check for IPv4 nested inside IPv6 in Nextcloud server < 17.0.1, < 16.0.7, and < 15.0.14 allowed a Server-Side Request Forgery (SSRF) vulnerability when subscribing to a malicious calendar URL.
Nextcloud Nextcloud Server
1.9
CVSSv2
CVE-2020-8150
A cryptographic issue in Nextcloud Server 19.0.1 allowed an malicious user to downgrade the encryption scheme and break the integrity of encrypted files.
Nextcloud Nextcloud Server
2 Github repositories
2.1
CVSSv2
CVE-2020-8152
Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an malicious user to replace the public key to decrypt them later on.
Nextcloud Nextcloud Server
2 Github repositories
6.8
CVSSv2
CVE-2020-8154
An Insecure direct object reference vulnerability in Nextcloud Server 18.0.2 allowed an malicious user to remote wipe devices of other users when sending a malicious request directly to the endpoint.
Nextcloud Nextcloud Server
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
blind SQL injection
SSRF
buffer overflow
CVE-2023-28952
CVE-2023-41822
CVE-2024-27956
CVE-2023-7028
CVE-2024-34447
CVE-2024-34460
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