Cisco IOS XE Fast Reload signature verification

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS XE. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Fast Reload Handler. Executing a manipulation can lead to signature verification. This vulnerability appears as CVE-2021-1376. The attack requires local access. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Cisco IOS XE (Router Operating System) (version now known) and classified as critical. This vulnerability affects some unknown processing of the component Fast Reload Handler. The manipulation with an unknown input leads to a signature verification vulnerability. The CWE definition for the vulnerability is CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 03/25/2021 as cisco-sa-fast-Zqr6DD5. The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2021-1376. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.7
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/13/2020 🔍
03/25/2021 +132 days 🔍
03/25/2021 +0 days 🔍
04/04/2021 +10 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-fast-Zqr6DD5
Status: Confirmed

CVE: CVE-2021-1376 (🔍)
GCVE (CVE): GCVE-0-2021-1376
GCVE (VulDB): GCVE-100-171688
scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 03/25/2021 07:42
Updated: 04/04/2021 20:35
Changes: 03/25/2021 07:42 (38), 04/04/2021 20:31 (5), 04/04/2021 20:35 (17)
Complete: 🔍
Cache ID: 216::103

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