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Nextcloud : Security Vulnerabilities

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2021-22879 74 Exec Code 2021-04-14 2021-04-24
6.8
None Remote Medium Not required Partial Partial Partial
Nextcloud Desktop Client prior to 3.1.3 is vulnerable to resource injection by way of missing validation of URLs, allowing a malicious server to execute remote commands. User interaction is needed for exploitation.
2 CVE-2021-22878 79 XSS 2021-03-03 2021-03-10
3.5
None Remote Medium ??? None Partial None
Nextcloud Server prior to 20.0.6 is vulnerable to reflected cross-site scripting (XSS) due to lack of sanitization in `OC.Notification.show`.
3 CVE-2021-22877 269 2021-03-03 2021-03-10
5.5
None Remote Low ??? Partial Partial None
A missing user check in Nextcloud prior to 20.0.6 inadvertently populates a user's own credentials for other users external storage configuration when not already configured yet.
4 CVE-2020-8297 639 2021-02-23 2021-03-02
4.0
None Remote Low ??? Partial None None
Nextcloud Deck before 1.0.2 suffers from an insecure direct object reference (IDOR) vulnerability that permits users with a duplicate user identifier to access deck data of a previous deleted user.
5 CVE-2020-8296 521 2021-03-03 2021-03-09
4.6
None Local Low Not required Partial Partial Partial
Nextcloud Server prior to 20.0.0 stores passwords in a recoverable format even when external storage is not configured.
6 CVE-2020-8295 400 DoS 2021-01-26 2021-02-02
5.0
None Remote Low Not required None None Partial
A wrong check in Nextcloud Server 19 and prior allowed to perform a denial of service attack when resetting the password for a user.
7 CVE-2020-8294 79 XSS 2021-02-03 2021-02-05
3.5
None Remote Medium ??? None Partial None
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.
8 CVE-2020-8293 400 2021-01-26 2021-02-02
4.0
None Remote Low ??? None None Partial
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.
9 CVE-2020-8281 79 XSS 2021-01-06 2021-01-11
3.5
None Remote Medium ??? None Partial None
A missing file type check in Nextcloud Contacts 3.3.0 allows a malicious user to upload malicious SVG files to perform cross-site scripting (XSS) attacks.
10 CVE-2020-8280 79 XSS 2021-01-06 2021-01-11
3.5
None Remote Medium ??? None Partial None
A missing file type check in Nextcloud Contacts 3.4.0 allows a malicious user to upload SVG files as PNG files to perform cross-site scripting (XSS) attacks.
11 CVE-2020-8279 295 2020-11-19 2020-11-25
5.8
None Remote Medium Not required Partial Partial None
Missing validation of server certificates for out-going connections in Nextcloud Social < 0.4.0 allowed a man-in-the-middle attack.
12 CVE-2020-8278 863 2020-11-19 2020-12-02
5.0
None Remote Low Not required Partial None None
Improper access control in Nextcloud Social app version 0.3.1 allowed to read posts of any user.
13 CVE-2020-8259 522 2020-11-16 2020-12-02
5.5
None Remote Low ??? Partial Partial None
Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the encryption keys.
14 CVE-2020-8236 287 2020-11-02 2020-11-16
4.6
None Local Low Not required Partial Partial Partial
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.
15 CVE-2020-8235 639 2020-10-05 2020-10-13
4.0
None Remote Low ??? Partial None None
Missing access control in Nextcloud Deck 1.0.4 caused an insecure direct object reference allowing an attacker to view all attachments.
16 CVE-2020-8230 787 Mem. Corr. 2020-08-17 2020-08-21
2.1
None Local Low Not required None None Partial
A memory corruption vulnerability exists in NextCloud Desktop Client v2.6.4 where missing ASLR and DEP protections in for windows allowed to corrupt memory.
17 CVE-2020-8229 400 2020-08-10 2020-08-11
4.9
None Local Low Not required None None Complete
A memory leak in the OCUtil.dll library used by Nextcloud Desktop Client 2.6.4 can lead to a DoS against the host system.
18 CVE-2020-8228 307 2020-10-05 2020-10-20
5.0
None Remote Low Not required None None Partial
A missing rate limit in the Preferred Providers app 1.7.0 allowed an attacker to set the password an uncontrolled amount of times.
19 CVE-2020-8227 22 Dir. Trav. 2020-08-21 2020-09-14
7.1
None Remote High ??? Complete Complete Complete
Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory.
20 CVE-2020-8225 312 2020-09-18 2020-09-29
5.0
None Remote Low Not required Partial None None
A cleartext storage of sensitive information in Nextcloud Desktop Client 2.6.4 gave away information about used proxies and their authentication credentials.
21 CVE-2020-8224 94 2020-08-10 2020-09-14
4.6
None Local Low Not required Partial Partial Partial
A code injection in Nextcloud Desktop Client 2.6.4 allowed to load arbitrary code when placing a malicious OpenSSL config into a fixed directory.
22 CVE-2020-8223 269 2020-10-05 2020-10-26
3.5
None Remote Medium ??? None Partial None
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.
23 CVE-2020-8202 307 DoS 2020-07-30 2020-08-03
5.0
None Remote Low Not required None None Partial
Improper check of inputs in Nextcloud Preferred Providers app v1.6.0 allowed to perform a denial of service attack when using a very long password.
24 CVE-2020-8189 79 XSS 2020-08-21 2020-09-14
3.5
None Remote Medium ??? None Partial None
A cross-site scripting error in Nextcloud Desktop client 2.6.4 allowed to present any html (including local links) when responding with invalid data on the login attempt.
25 CVE-2020-8183 522 2020-11-02 2020-11-12
5.0
None Remote Low Not required Partial None None
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.
26 CVE-2020-8182 281 2020-10-05 2020-10-14
6.0
None Remote Medium ??? Partial Partial Partial
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.
27 CVE-2020-8181 434 2020-07-10 2020-07-17
4.0
None Remote Low ??? None Partial None
A missing file type check in Nextcloud Contacts 3.2.0 allowed a malicious user to upload any file as avatars.
28 CVE-2020-8180 94 2020-06-08 2020-06-11
6.5
None Remote Low ??? Partial Partial Partial
A too lax check in Nextcloud Talk 6.0.4, 7.0.2 and 8.0.7 allowed a code injection when a not correctly sanitized talk command was added by an administrator.
29 CVE-2020-8179 269 2020-07-02 2020-07-08
4.0
None Remote Low ??? None Partial None
Improper access control in Nextcloud Deck 1.0.0 allowed an attacker to inject tasks into other users decks.
30 CVE-2020-8173 311 2020-11-02 2020-11-17
3.5
None Remote Medium ??? Partial None None
A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended.
31 CVE-2020-8156 295 2020-05-12 2020-10-19
6.8
None Remote Medium Not required Partial Partial Partial
A missing verification of the TLS host in Nextcloud Mail 1.1.3 allowed a man in the middle attack.
32 CVE-2020-8155 79 XSS 2020-05-12 2020-10-19
3.5
None Remote Medium ??? None Partial None
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.
33 CVE-2020-8154 639 2020-05-12 2020-10-19
6.8
None Remote Low ??? None None Complete
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.
34 CVE-2020-8153 732 2020-05-12 2020-10-19
5.5
None Remote Low ??? None Partial Partial
Improper access control in Groupfolders app 4.0.3 allowed to delete hidden directories when when renaming an accessible item to the same name.
35 CVE-2020-8152 522 2020-11-16 2020-12-26
2.1
None Local Low Not required None Partial None
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.
36 CVE-2020-8150 311 2020-11-09 2020-12-29
1.9
None Local Medium Not required None Partial None
A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files.
37 CVE-2020-8140 94 2020-03-20 2020-03-24
4.6
None Local Low Not required Partial Partial Partial
A code injection in Nextcloud Desktop Client 2.6.2 for macOS allowed to load arbitrary code when starting the client with DYLD_INSERT_LIBRARIES set in the environment.
38 CVE-2020-8139 862 2020-03-20 2020-10-19
4.0
None Remote Low ??? Partial None None
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.
39 CVE-2020-8138 918 2020-03-20 2020-03-25
4.0
None Remote Low ??? Partial None None
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.
40 CVE-2020-8133 347 2020-11-09 2020-11-19
5.0
None Remote Low Not required None Partial None
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.
41 CVE-2020-8122 20 2020-02-04 2020-02-11
4.0
None Remote Low ??? None Partial None
A missing check in Nextcloud Server 14.0.3 could give recipient the possibility to extend the expiration date of a share they received.
42 CVE-2020-8121 668 2020-02-04 2020-02-11
5.5
None Remote Low ??? Partial Partial None
A bug in Nextcloud Server 14.0.4 could expose more data in reshared link shares than intended by the sharer.
43 CVE-2020-8120 79 XSS 2020-02-04 2020-02-06
4.3
None Remote Medium Not required None Partial None
A reflected Cross-Site Scripting vulnerability in Nextcloud Server 16.0.1 was discovered in the svg generation.
44 CVE-2020-8119 863 2020-02-04 2020-02-16
4.0
None Remote Low ??? Partial None None
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.
45 CVE-2020-8118 918 2020-02-04 2020-02-16
4.0
None Remote Low ??? Partial None None
An authenticated server-side request forgery in Nextcloud server 16.0.1 allowed to detect local and remote services when adding a new subscription in the calendar application.
46 CVE-2020-8117 281 2020-02-04 2020-02-06
4.0
None Remote Low ??? Partial None None
Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event.
47 CVE-2019-15624 20 2020-02-04 2020-02-16
4.0
None Remote Low ??? None Partial None
Improper Input Validation in Nextcloud Server 15.0.7 allows group admins to create users with IDs of system folders.
48 CVE-2019-15623 200 +Info 2020-02-04 2020-02-16
5.0
None Remote Low Not required Partial None None
Exposure of Private Information in Nextcloud Server 16.0.1 causes the server to send it's domain and user IDs to the Nextcloud Lookup Server without any further data when the Lookup server is disabled.
49 CVE-2019-15622 89 Sql 2020-02-04 2020-02-12
2.1
None Local Low Not required Partial None None
Not strictly enough sanitization in the Nextcloud Android app 3.6.0 allowed an attacker to get content information from protected tables when using custom queries.
50 CVE-2019-15621 281 2020-02-04 2020-02-16
4.0
None Remote Low ??? None Partial None
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.
Total number of vulnerabilities : 107   Page : 1 (This Page)2 3
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