VDB-176975 · CVE-2021-28213 · GCVE-0-2021-28213

Tianocore EDK2 Private Key IpSecDxe.efi privilege escalation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Tianocore EDK2. The impacted element is an unknown function of the file IpSecDxe.efi of the component Private Key Handler. The manipulation leads to an unknown weakness. This vulnerability is referenced as CVE-2021-28213. No exploit is available.

Detailsinfo

A vulnerability was found in Tianocore EDK2 (affected version unknown). It has been rated as critical. This issue affects an unknown functionality of the file IpSecDxe.efi of the component Private Key Handler. The impact remains unknown.

The weakness was published 06/12/2021. It is possible to read the advisory at bugzilla.tianocore.org. The identification of this vulnerability is CVE-2021-28213. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Tianocore

Name

EDK2

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/12/2021 🔍
06/12/2021 +91 days 🔍
06/12/2021 +0 days 🔍
06/14/2021 +2 days 🔍

Sourcesinfo

Advisory: bugzilla.tianocore.org
Status: Confirmed

CVE: CVE-2021-28213 (🔍)
GCVE (CVE): GCVE-0-2021-28213
GCVE (VulDB): GCVE-100-176975

Entryinfo

Created: 06/12/2021 10:55
Updated: 06/14/2021 15:28
Changes: 06/12/2021 10:55 (34), 06/14/2021 15:28 (2)
Complete: 🔍
Cache ID: 216::103