Nextcloud: Security Vulnerabilities
Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the encryption keys.
CVSS Score
8.1
EPSS Score
0.002
Published
2020-11-16
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.
CVSS Score
5.3
EPSS Score
0.002
Published
2020-11-09
A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files.
CVSS Score
4.1
EPSS Score
0.0
Published
2020-11-09
A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.
CVSS Score
2.2
EPSS Score
0.003
Published
2020-11-02
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.
CVSS Score
7.5
EPSS Score
0.01
Published
2020-11-02
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.
CVSS Score
6.8
EPSS Score
0.002
Published
2020-11-02
Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had themselves.
CVSS Score
8.0
EPSS Score
0.002
Published
2020-10-05
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.
CVSS Score
6.5
EPSS Score
0.003
Published
2020-10-05
A missing rate limit in the Preferred Providers app 1.7.0 allowed an attacker to set the password an uncontrolled amount of times.
CVSS Score
5.3
EPSS Score
0.005
Published
2020-10-05
Missing access control in Nextcloud Deck 1.0.4 caused an insecure direct object reference allowing an attacker to view all attachments.
CVSS Score
4.3
EPSS Score
0.001
Published
2020-10-05