Vulnerabilities > Nextcloud > Nextcloud Server

DATE CVE VULNERABILITY TITLE RISK
2020-11-16 CVE-2020-8152 Insufficiently Protected Credentials vulnerability in Nextcloud Server
Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the public key to decrypt them later on.
local
low complexity
nextcloud CWE-522
4.4
2020-11-09 CVE-2020-8150 Missing Encryption of Sensitive Data vulnerability in Nextcloud Server
A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files.
local
high complexity
nextcloud CWE-311
4.1
2020-11-09 CVE-2020-8133 Improper Verification of Cryptographic Signature vulnerability in Nextcloud Server 19.0.1
A wrong generation of the passphrase for the encrypted block in Nextcloud Server 19.0.1 allowed an attacker to overwrite blocks in a file.
network
low complexity
nextcloud CWE-347
5.3
2020-11-02 CVE-2020-8236 Improper Authentication vulnerability in Nextcloud Server
A wrong configuration in Nextcloud Server 19.0.1 incorrectly made the user feel the passwordless WebAuthn is also a two factor verification by asking for the PIN of the passwordless WebAuthn but not verifying it.
low complexity
nextcloud CWE-287
6.8
2020-11-02 CVE-2020-8183 Insufficiently Protected Credentials vulnerability in Nextcloud Server
A logic error in Nextcloud Server 19.0.0 caused a plaintext storage of the share password when it was given on the initial create API call.
network
low complexity
nextcloud CWE-522
7.5
2020-11-02 CVE-2020-8173 Missing Encryption of Sensitive Data vulnerability in Nextcloud Server
A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.
network
high complexity
nextcloud CWE-311
2.2
2020-10-05 CVE-2020-8223 Improper Privilege Management vulnerability in multiple products
A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions than they got assigned themselves.
network
low complexity
nextcloud fedoraproject CWE-269
6.5
2020-05-12 CVE-2020-8155 Cross-site Scripting vulnerability in Nextcloud Server
An outdated 3rd party library in the Files PDF viewer for Nextcloud Server 18.0.2 caused a Cross-site scripting vulnerability when opening a malicious PDF.
network
low complexity
nextcloud CWE-79
5.4
2020-05-12 CVE-2020-8154 Authorization Bypass Through User-Controlled Key vulnerability in Nextcloud Server
An Insecure direct object reference vulnerability in Nextcloud Server 18.0.2 allowed an attacker to remote wipe devices of other users when sending a malicious request directly to the endpoint.
network
low complexity
nextcloud CWE-639
7.7
2020-03-20 CVE-2020-8139 Missing Authorization vulnerability in multiple products
A missing access control check in Nextcloud Server < 18.0.1, < 17.0.4, and < 16.0.9 causes hide-download shares to be downloadable when appending /download to the URL.
network
low complexity
nextcloud fedoraproject CWE-862
6.5