Cisco ASA Clientless SSL VPN Portal heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Cisco ASA. This affects an unknown function of the component Clientless SSL VPN Portal. Such manipulation leads to heap-based overflow. This vulnerability is documented as CVE-2022-20737. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco ASA (Firewall Software) (the affected version unknown). Affected by this issue is an unknown part of the component Clientless SSL VPN Portal. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability.

The weakness was released 05/03/2022 as cisco-sa-asa-ssl-vpn-heap-zLX3FdX. The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2022-20737 since 11/02/2021. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/28/2023).

Upgrading eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.5
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: Heap-based overflow
CWE: CWE-122 / 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

11/02/2021 🔍
05/03/2022 +181 days 🔍
05/03/2022 +0 days 🔍
07/28/2023 +451 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-asa-ssl-vpn-heap-zLX3FdX
Status: Confirmed

CVE: CVE-2022-20737 (🔍)
GCVE (CVE): GCVE-0-2022-20737
GCVE (VulDB): GCVE-100-198866

Entryinfo

Created: 05/03/2022 07:17
Updated: 07/28/2023 15:09
Changes: 05/03/2022 07:17 (39), 05/05/2022 10:45 (1), 05/05/2022 10:51 (12), 07/28/2023 15:09 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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