CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.4 | $0-$5k | 0.00 |
A vulnerability was found in SSH Tectia Client up to 6.4.18 on Windows (SSH Server Software). It has been declared as problematic. Affected by this vulnerability is an unknown code of the component ConnectSecure. The manipulation with an unknown input leads to a entropy vulnerability. The CWE definition for the vulnerability is CWE-331. The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others. As an impact it is known to affect confidentiality.
The weakness was shared 03/15/2021. It is possible to read the advisory at info.ssh.com. This vulnerability is known as CVE-2021-27891. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600.001 according to MITRE ATT&CK.
Upgrading to version 6.4.19 eliminates this vulnerability.
Product
Type
Vendor
Name
Version
- 6.4.0
- 6.4.1
- 6.4.2
- 6.4.3
- 6.4.4
- 6.4.5
- 6.4.6
- 6.4.7
- 6.4.8
- 6.4.9
- 6.4.10
- 6.4.11
- 6.4.12
- 6.4.13
- 6.4.14
- 6.4.15
- 6.4.16
- 6.4.17
- 6.4.18
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: 5.7VulDB Meta Temp Score: 5.6
VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: EntropyCWE: CWE-331 / CWE-330 / CWE-310
ATT&CK: T1600.001
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: Tectia Client 6.4.19
Timeline
03/02/2021 🔍03/15/2021 🔍
03/15/2021 🔍
04/01/2021 🔍
Sources
Advisory: info.ssh.comStatus: Confirmed
CVE: CVE-2021-27891 (🔍)
Entry
Created: 03/15/2021 18:23Updated: 04/01/2021 12:51
Changes: 03/15/2021 18:23 (40), 04/01/2021 12:46 (5), 04/01/2021 12:51 (18)
Complete: 🔍
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