Cisco IOS XE Unified Extensible Firmware Interface function data authenticity

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.5 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Cisco IOS XE and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Unified Extensible Firmware Interface. Performing a manipulation of the argument function results in data authenticity. This vulnerability is cataloged as CVE-2021-1398. The attack may be carried out on the physical device. There is no exploit available. The affected component should be upgraded.
Details
A vulnerability was found in Cisco IOS XE (Router Operating System) (the affected version unknown). It has been classified as critical. This affects an unknown part of the component Unified Extensible Firmware Interface. The manipulation of the argument function with an unknown input leads to a data authenticity vulnerability. CWE is classifying the issue as CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was shared 03/25/2021 as cisco-sa-XE-ACE-75K3bRWe. It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2021-1398. Technical details of the vulnerability are known, but there is no available exploit.
Upgrading eliminates this vulnerability.
Statistical analysis made it clear that VulDB provides the best quality for 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: 6.8VulDB Meta Temp Score: 6.6
VulDB Base Score: 6.8
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Data authenticityCWE: CWE-345
CAPEC: 🔍
ATT&CK: 🔍
Physical: Yes
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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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-XE-ACE-75K3bRWe
Status: Confirmed
CVE: CVE-2021-1398 (🔍)
GCVE (CVE): GCVE-0-2021-1398
GCVE (VulDB): GCVE-100-171699
scip Labs: https://www.scip.ch/en/?labs.20150108
Entry
Created: 03/25/2021 09:07Updated: 04/04/2021 22:29
Changes: 03/25/2021 09:07 (39), 04/04/2021 22:23 (5), 04/04/2021 22:29 (17)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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