NCH FlexiServer 6.00 syslog File path traversal

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in NCH FlexiServer 6.00. This vulnerability affects unknown code of the file syslog. The manipulation of the argument File results in path traversal. This vulnerability is reported as CVE-2021-37439. Moreover, an exploit is present.

Detailsinfo

A vulnerability classified as critical has been found in NCH FlexiServer 6.00. Affected is some unknown functionality of the file syslog. The manipulation of the argument file with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-23. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 07/26/2021. The advisory is available at github.com. This vulnerability is traded as CVE-2021-37439. Technical details and a public exploit are known. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The exploit is shared for download at github.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.

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Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Path traversal
CWE: CWE-23 / CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

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

07/25/2021 🔍
07/26/2021 +1 days 🔍
07/26/2021 +0 days 🔍
07/28/2021 +2 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2021-37439 (🔍)
GCVE (CVE): GCVE-0-2021-37439
GCVE (VulDB): GCVE-100-179622
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/26/2021 08:21
Updated: 07/28/2021 15:02
Changes: 07/26/2021 08:21 (40), 07/28/2021 15:02 (2)
Complete: 🔍
Cache ID: 216::103

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