e2guardian up to 5.4.3r SSL MITM Engine certificate host validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in e2guardian up to 5.4.3r. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the component SSL MITM Engine. Performing a manipulation results in certificate host validation. This vulnerability is identified as CVE-2021-44273. There is not any exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as critical has been found in e2guardian up to 5.4.3r. This affects an unknown code block of the component SSL MITM Engine. The manipulation with an unknown input leads to a certificate host validation vulnerability. CWE is classifying the issue as CWE-297. The product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 12/23/2021 as 707. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-44273 since 11/29/2021. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.

Applying the patch eae46a7e2a57103aadca903c4a24cca94dc502a2 is able to eliminate this problem. The bugfix is ready for download at github.com.

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

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Certificate host validation
CWE: CWE-297 / CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: eae46a7e2a57103aadca903c4a24cca94dc502a2

Timelineinfo

11/29/2021 🔍
12/23/2021 +24 days 🔍
12/23/2021 +0 days 🔍
12/26/2021 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: 707
Status: Confirmed

CVE: CVE-2021-44273 (🔍)
GCVE (CVE): GCVE-0-2021-44273
GCVE (VulDB): GCVE-100-188991

Entryinfo

Created: 12/23/2021 15:03
Updated: 12/26/2021 14:36
Changes: 12/23/2021 15:03 (40), 12/26/2021 14:36 (1)
Complete: 🔍
Cache ID: 216::103

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

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