Cisco Firepower Threat Defense Software Normalization improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Cisco Firepower Threat Defense Software, FirePOWER Services Software for ASA and Firepower Management Center Software. Impacted is an unknown function of the component Normalization Handler. The manipulation results in improper authentication. This vulnerability is identified as CVE-2019-1981. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Cisco Firepower Threat Defense Software, FirePOWER Services Software for ASA and Firepower Management Center Software (Firewall Software) (unknown version). It has been classified as critical. Affected is an unknown code block of the component Normalization Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the normalization functionality of Cisco Firepower Threat Defense Software, Cisco FirePOWER Services Software for ASA, and Cisco Firepower Management Center Software could allow an unauthenticated, remote attacker to bypass filtering protections. The vulnerability is due to insufficient normalization of a text-based payload. An attacker could exploit this vulnerability by sending traffic that contains specifically obfuscated payloads through an affected device. An exploit could allow the attacker to bypass filtering and deliver malicious payloads to protected systems that would otherwise be blocked.

The weakness was released 11/05/2019 as cisco-sa-20190816-ftd-null as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2019-1981 since 12/06/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-144997, VDB-144995 and VDB-144994. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.8
NVD Vector: 🔍

CNA Base Score: 5.8
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: Improper authentication
CWE: 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

12/06/2018 🔍
11/05/2019 +334 days 🔍
11/06/2019 +1 days 🔍
11/27/2024 +1847 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20190816-ftd-null
Status: Confirmed

CVE: CVE-2019-1981 (🔍)
GCVE (CVE): GCVE-0-2019-1981
GCVE (VulDB): GCVE-100-144996
See also: 🔍

Entryinfo

Created: 11/06/2019 08:57
Updated: 11/27/2024 00:07
Changes: 11/06/2019 08:57 (40), 11/06/2019 09:02 (18), 02/04/2024 10:28 (14), 11/27/2024 00:07 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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