| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in Cisco IOS XE SD-WAN. The affected element is an unknown function of the component vDaemon. Performing a manipulation results in denial of service. This vulnerability is known as CVE-2021-1431. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.
Details
A vulnerability, which was classified as critical, was found in Cisco IOS XE SD-WAN (Router Operating System) (affected version not known). This affects some unknown functionality of the component vDaemon. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.
The weakness was published 03/25/2021 as cisco-sa-iosxe-sdwdos-4zeEeC9w. The advisory is shared at tools.cisco.com. This vulnerability is uniquely identified as CVE-2021-1431. 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
Type
Vendor
Name
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.3
VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
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: Denial of serviceCWE: 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
11/13/2020 🔍03/25/2021 🔍
03/25/2021 🔍
04/04/2021 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-iosxe-sdwdos-4zeEeC9w
Status: Confirmed
CVE: CVE-2021-1431 (🔍)
GCVE (CVE): GCVE-0-2021-1431
GCVE (VulDB): GCVE-100-171705
scip Labs: https://www.scip.ch/en/?labs.20150108
Entry
Created: 03/25/2021 09:18Updated: 04/04/2021 23:24
Changes: 03/25/2021 09:18 (38), 04/04/2021 23:17 (5), 04/04/2021 23:24 (17)
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.