CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.0 | $0-$5k | 0.00 |
A vulnerability was found in Siemens APOGEE MBC, APOGEE MEC, APOGEE PXC Compact, APOGEE PXC Modular, Capital VSTAR, Nucleus NET, Nucleus ReadyStart, Nucleus Source Code, TALON TC Compact and TALON TC Modular. It has been declared as critical. This vulnerability affects an unknown code block of the component TCP Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was disclosed 11/09/2021 as ssa-044112. The advisory is shared for download at cert-portal.siemens.com. This vulnerability was named CVE-2021-31890 since 04/29/2021. There are neither technical details nor an exploit publicly available.
Upgrading eliminates this vulnerability.
The entries VDB-186342, VDB-186343, VDB-186344 and VDB-186345 are pretty similar.
Product
Vendor
Name
- APOGEE MBC
- APOGEE MEC
- APOGEE PXC Compact
- APOGEE PXC Modular
- Capital VSTAR
- Nucleus NET
- Nucleus ReadyStart
- Nucleus Source Code
- TALON TC Compact
- TALON TC Modular
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: 7.3VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
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: 🔍
Timeline
04/29/2021 🔍11/09/2021 🔍
11/09/2021 🔍
11/11/2021 🔍
Sources
Vendor: siemens.comAdvisory: ssa-044112
Status: Confirmed
CVE: CVE-2021-31890 (🔍)
See also: 🔍
Entry
Created: 11/09/2021 14:52Updated: 11/11/2021 17:19
Changes: 11/09/2021 14:52 (38), 11/11/2021 17:19 (1)
Complete: 🔍
Cache ID: 3:20A:103
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