WAGO 750-831/750-880/750-881/750-889 up to FW15 OpenSSL release of resource
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in WAGO 750-831, 750-880, 750-881 and 750-889 up to FW15 and classified as problematic. The affected element is an unknown function of the component OpenSSL. Performing a manipulation results in release of resource. This vulnerability is reported as CVE-2021-34581. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.
Details
A vulnerability classified as problematic has been found in WAGO 750-831, 750-880, 750-881 and 750-889 up to FW15. This affects an unknown part of the component OpenSSL. The manipulation with an unknown input leads to a release of resource vulnerability. CWE is classifying the issue as CWE-772. The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed. This is going to have an impact on availability.
The weakness was disclosed 08/31/2021 as vde-2021-038. The advisory is shared at cert.vde.com. This vulnerability is uniquely identified as CVE-2021-34581. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.
Upgrading eliminates this vulnerability.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Release of resourceCWE: CWE-772 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
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
06/10/2021 🔍08/31/2021 🔍
08/31/2021 🔍
09/03/2021 🔍
Sources
Advisory: vde-2021-038Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-34581 (🔍)
GCVE (CVE): GCVE-0-2021-34581
GCVE (VulDB): GCVE-100-181737
Entry
Created: 08/31/2021 15:39Updated: 09/03/2021 14:51
Changes: 08/31/2021 15:39 (38), 09/03/2021 14:47 (3), 09/03/2021 14:51 (1)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
No comments yet. Languages: en.
Please log in to comment.