CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in Nextcloud Server up to 19.0.12/20.0.10/21.0.2 (Cloud Software). This affects an unknown code block. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was released 07/12/2021. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-32688. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.
Upgrading to version 19.0.13, 20.0.11 or 21.0.3 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
Product
Type
Name
Version
- 19.0.0
- 19.0.1
- 19.0.2
- 19.0.3
- 19.0.4
- 19.0.5
- 19.0.6
- 19.0.7
- 19.0.8
- 19.0.9
- 19.0.10
- 19.0.11
- 19.0.12
- 20.0.0
- 20.0.1
- 20.0.2
- 20.0.3
- 20.0.4
- 20.0.5
- 20.0.6
- 20.0.7
- 20.0.8
- 20.0.9
- 20.0.10
- 21.0.0
- 21.0.1
- 21.0.2
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Improper authorizationCWE: CWE-285 / CWE-266
ATT&CK: T1548.002
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Nextcloud Server 19.0.13/20.0.11/21.0.3
Patch: github.com
Timeline
05/12/2021 🔍07/12/2021 🔍
07/12/2021 🔍
07/15/2021 🔍
Sources
Advisory: github.comStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2021-32688 (🔍)
Entry
Created: 07/12/2021 20:27Updated: 07/15/2021 13:18
Changes: 07/12/2021 20:27 (38), 07/15/2021 13:11 (6), 07/15/2021 13:18 (1)
Complete: 🔍
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