Avast SecureLine 5.5.522.0 Service unquoted search path

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Avast SecureLine 5.5.522.0. It has been rated as problematic. This vulnerability affects unknown code of the component Service. Performing a manipulation results in unquoted search path. This vulnerability is known as CVE-2020-37037. Attacking locally is a requirement. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in Avast SecureLine 5.5.522.0. This affects an unknown function of the component Service. The manipulation with an unknown input leads to a unquoted search path vulnerability. CWE is classifying the issue as CWE-428. The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Avast SecureLine 5.5.522.0 contains an unquoted service path vulnerability that allows local users to potentially execute code with elevated system privileges. Attackers can exploit the unquoted path in the service configuration to inject malicious code that would execute with LocalSystem account permissions during service startup.

The weakness was published by Roberto Piña as 48249. The advisory is shared at exploit-db.com. This vulnerability is uniquely identified as CVE-2020-37037 since 01/28/2026. The exploitability is told to be difficult. An attack has to be approached locally. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1574.009 for this issue.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (48249) and EUVD (EUVD-2020-30973). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.0
VulDB Temp Score: 6.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Unquoted search path
CWE: CWE-428 / CWE-426
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/28/2026 CVE reserved
02/01/2026 +4 days Advisory disclosed
02/01/2026 +0 days VulDB entry created
02/02/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 48249
Researcher: Roberto Piña
Status: Not defined

CVE: CVE-2020-37037 (🔒)
GCVE (CVE): GCVE-0-2020-37037
GCVE (VulDB): GCVE-100-343665
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/01/2026 16:40
Updated: 02/02/2026 00:16
Changes: 02/01/2026 16:40 (80), 02/02/2026 00:16 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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