Pdf-Complete PDF Complete up to 3.5.310.2002 pdfsvc.exe unquoted search path

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Pdf-Complete PDF Complete up to 3.5.310.2002. This affects an unknown part of the file pdfsvc.exe. Executing a manipulation can lead to unquoted search path. This vulnerability is handled as CVE-2020-36957. It is possible to launch the attack on the local host. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Pdf-Complete PDF Complete up to 3.5.310.2002. It has been declared as critical. This vulnerability affects an unknown function of the file pdfsvc.exe. The manipulation with an unknown input leads to a unquoted search path vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

PDF Complete 3.5.310.2002 contains an unquoted service path vulnerability in its pdfsvc.exe service configuration. Attackers can exploit the unquoted path to inject and execute malicious code with elevated LocalSystem privileges.

The weakness was released by Zaira Alquicira as 49226. The advisory is shared for download at exploit-db.com. This vulnerability was named CVE-2020-36957 since 01/26/2026. The exploitation appears to be difficult. The attack needs to be approached locally. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1574.009.

It is possible to download the exploit 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 vulnerability database at Exploit-DB (49226). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

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

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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

01/26/2026 CVE reserved
01/27/2026 +1 days Advisory disclosed
01/27/2026 +0 days VulDB entry created
01/27/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 49226
Researcher: Zaira Alquicira
Status: Not defined

CVE: CVE-2020-36957 (🔒)
GCVE (CVE): GCVE-0-2020-36957
GCVE (VulDB): GCVE-100-342916
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/27/2026 02:13
Changes: 01/27/2026 02:13 (80)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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