Vulnerabilities > Nextcloud > Medium

DATE CVE VULNERABILITY TITLE RISK
2020-11-19 CVE-2020-8279 Improper Certificate Validation vulnerability in Nextcloud Social
Missing validation of server certificates for out-going connections in Nextcloud Social < 0.4.0 allowed a man-in-the-middle attack.
network
nextcloud CWE-295
5.8
2020-11-19 CVE-2020-8278 Incorrect Authorization vulnerability in Nextcloud Social 0.3.1
Improper access control in Nextcloud Social app version 0.3.1 allowed to read posts of any user.
network
low complexity
nextcloud CWE-863
5.0
2020-11-16 CVE-2020-8259 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 encryption keys.
network
low complexity
nextcloud CWE-522
5.5
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.
local
low complexity
nextcloud CWE-287
4.6
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
5.0
2020-10-05 CVE-2020-8235 Authorization Bypass Through User-Controlled Key vulnerability in Nextcloud Deck 1.0.4
Missing access control in Nextcloud Deck 1.0.4 caused an insecure direct object reference allowing an attacker to view all attachments.
network
low complexity
nextcloud CWE-639
4.0
2020-10-05 CVE-2020-8182 Improper Preservation of Permissions vulnerability in Nextcloud Deck 0.8.0
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.
network
nextcloud CWE-281
6.0
2020-10-05 CVE-2020-8228 Improper Restriction of Excessive Authentication Attempts vulnerability in multiple products
A missing rate limit in the Preferred Providers app 1.7.0 allowed an attacker to set the password an uncontrolled amount of times.
network
low complexity
nextcloud opensuse CWE-307
5.0
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