Cisco Firepower Threat Defense SSH Connection memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Cisco Firepower Threat Defense. Affected by this issue is some unknown functionality of the component SSH Connection Handler. Such manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2021-34781. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco Firepower Threat Defense (Firewall Software) (unknown version). Affected by this issue is an unknown code block of the component SSH Connection Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability.

The weakness was disclosed 10/28/2021 as cisco-sa-ftd-dos-rUDseW3r. The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2021-34781 since 06/15/2021. The technical details are unknown and an exploit is not 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: 7.9
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 8.6
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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

06/15/2021 🔍
10/28/2021 +135 days 🔍
10/28/2021 +0 days 🔍
11/01/2021 +4 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-ftd-dos-rUDseW3r
Status: Confirmed

CVE: CVE-2021-34781 (🔍)
GCVE (CVE): GCVE-0-2021-34781
GCVE (VulDB): GCVE-100-185582

Entryinfo

Created: 10/28/2021 06:27
Updated: 11/01/2021 08:37
Changes: 10/28/2021 06:27 (49), 11/01/2021 08:36 (1), 11/01/2021 08:37 (18)
Complete: 🔍
Cache ID: 216::103

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