Cisco ASA/Firepower Threat Defense SSL/TLS denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Cisco ASA and Firepower Threat Defense. This impacts an unknown function of the component SSL/TLS. The manipulation results in denial of service. This vulnerability was named CVE-2022-20927. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Cisco ASA and Firepower Threat Defense (Firewall Software) (unknown version). It has been classified as critical. Affected is an unknown code block of the component SSL/TLS. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was presented 11/09/2022 as cisco-sa-ssl-client-dos-cCrQPkA. The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2022-20927 since 11/02/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

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: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 7.7
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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

11/02/2021 🔍
11/09/2022 +372 days 🔍
11/09/2022 +0 days 🔍
07/28/2023 +261 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-ssl-client-dos-cCrQPkA
Status: Confirmed

CVE: CVE-2022-20927 (🔍)
GCVE (CVE): GCVE-0-2022-20927
GCVE (VulDB): GCVE-100-213288

Entryinfo

Created: 11/09/2022 19:12
Updated: 07/28/2023 15:11
Changes: 11/09/2022 19:12 (39), 12/11/2022 08:44 (2), 12/11/2022 08:49 (21), 07/28/2023 15:11 (1)
Complete: 🔍
Cache ID: 216::103

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