Vulnerabilities > Nextcloud > Nextcloud Server

DATE CVE VULNERABILITY TITLE RISK
2021-02-03 CVE-2020-8294 Cross-site Scripting vulnerability in Nextcloud Server
A missing link validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows execution of a stored XSS attack using Internet Explorer when saving a 'javascript:' URL in markdown format.
network
low complexity
nextcloud CWE-79
5.4
2021-01-26 CVE-2020-8295 Resource Exhaustion vulnerability in Nextcloud Server
A wrong check in Nextcloud Server 19 and prior allowed to perform a denial of service attack when resetting the password for a user.
network
low complexity
nextcloud CWE-400
7.5
2021-01-26 CVE-2020-8293 Resource Exhaustion vulnerability in Nextcloud Server
A missing input validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows users to store unlimited data in workflow rules causing load and potential DDoS on later interactions and usage with those rules.
network
low complexity
nextcloud CWE-400
6.5
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
8.1
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