CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $0-$5k | 0.03 |
A vulnerability was found in Synology DiskStation Manager (Network Attached Storage Software) (affected version not known). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component Netatalk. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was released 05/21/2021. It is possible to read the advisory at zerodayinitiative.com. This vulnerability is known as CVE-2021-31439. The technical details are unknown and an exploit is not publicly available.
Upgrading eliminates this vulnerability. The upgrade is hosted for download at synology.com.
Product
Type
Vendor
Name
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: Heap-based overflowCWE: CWE-122 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Partially
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: synology.com
Timeline
04/16/2021 🔍05/21/2021 🔍
05/21/2021 🔍
05/23/2021 🔍
Sources
Vendor: synology.comAdvisory: zerodayinitiative.com
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-31439 (🔍)
Entry
Created: 05/21/2021 19:23Updated: 05/23/2021 14:12
Changes: 05/21/2021 19:23 (39), 05/23/2021 14:11 (5), 05/23/2021 14:12 (1)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.