ServiSign Security Plugin API Parameter file access

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in ServiSign Security Plugin. Impacted is an unknown function of the component API. The manipulation as part of Parameter leads to file access. This vulnerability is uniquely identified as CVE-2020-3926. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in ServiSign Security Plugin (affected version not known). This issue affects some unknown functionality of the component API. The manipulation as part of a Parameter leads to a file access vulnerability. Using CWE to declare the problem leads to CWE-552. The product makes files or directories accessible to unauthorized actors, even though they should not be. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An arbitrary-file-access vulnerability exists in ServiSign security plugin, as long as the attackers learn the specific API function, they may access arbitrary files on target system via crafted API parameter.

The weakness was disclosed 02/03/2020. The identification of this vulnerability is CVE-2020-3926. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1083 according to MITRE ATT&CK.

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

The entries VDB-149628 and VDB-149626 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 7.0

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 6.1
CNA Vector (TWCERT/CC): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: File access
CWE: CWE-552 / CWE-425
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/20/2019 🔍
02/03/2020 +45 days 🔍
02/04/2020 +1 days 🔍
03/28/2024 +1514 days 🔍

Sourcesinfo

Advisory: tvn.twcert.org.tw
Status: Not defined

CVE: CVE-2020-3926 (🔍)
GCVE (CVE): GCVE-0-2020-3926
GCVE (VulDB): GCVE-100-149627
See also: 🔍

Entryinfo

Created: 02/04/2020 10:34
Updated: 03/28/2024 02:42
Changes: 02/04/2020 10:34 (35), 02/04/2020 10:39 (16), 03/28/2024 02:34 (18), 03/28/2024 02:42 (12)
Complete: 🔍
Cache ID: 216::103

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