Cisco Email Security Appliance/Web Security Appliance Advanced Malware Protection certificate validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Cisco Email Security Appliance and Web Security Appliance. This affects an unknown function of the component Advanced Malware Protection. Such manipulation leads to certificate validation. This vulnerability is uniquely identified as CVE-2021-1566. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cisco Email Security Appliance and Web Security Appliance (Anti-Malware Software) (the affected version unknown) and classified as critical. Affected by this issue is an unknown part of the component Advanced Malware Protection. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 06/17/2021 as cisco-sa-esa-wsa-cert-vali-n8L97RW. The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2021-1566. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1587.003.

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: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
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 validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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 🔍
06/17/2021 +215 days 🔍
06/17/2021 +0 days 🔍
06/21/2021 +4 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-esa-wsa-cert-vali-n8L97RW
Status: Confirmed

CVE: CVE-2021-1566 (🔍)
GCVE (CVE): GCVE-0-2021-1566
GCVE (VulDB): GCVE-100-177152

Entryinfo

Created: 06/17/2021 07:44
Updated: 06/21/2021 08:34
Changes: 06/17/2021 07:44 (38), 06/21/2021 08:31 (5), 06/21/2021 08:34 (1)
Complete: 🔍
Cache ID: 216::103

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