Zen Load Balancer 3.10.1 index.cgi Monitoring::Logs filelog path traversal

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Zen Load Balancer 3.10.1 and classified as critical. This vulnerability affects the function Monitoring::Logs of the file index.cgi. Executing a manipulation of the argument filelog with the input /etc/shadow as part of Request can lead to path traversal. This vulnerability is handled as CVE-2020-11491. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Zen Load Balancer 3.10.1 and classified as critical. This vulnerability affects the function Monitoring::Logs of the file index.cgi. The manipulation of the argument filelog with the input value /etc/shadow leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Monitoring::Logs in Zen Load Balancer 3.10.1 allows remote authenticated admins to conduct absolute path traversal attacks, as demonstrated by a filelog=/etc/shadow request to index.cgi.

The weakness was released 04/02/2020. This vulnerability was named CVE-2020-11491 since 04/02/2020. The attack can be initiated remotely. A single authentication is needed for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

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

Entry connected to this vulnerability is available at VDB-152715. 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: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

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

NVD Base Score: 4.9
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
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

04/02/2020 🔍
04/02/2020 +0 days 🔍
04/03/2020 +1 days 🔍
05/13/2024 +1501 days 🔍

Sourcesinfo

Advisory: code610.blogspot.com
Status: Not defined

CVE: CVE-2020-11491 (🔍)
GCVE (CVE): GCVE-0-2020-11491
GCVE (VulDB): GCVE-100-152716
See also: 🔍

Entryinfo

Created: 04/03/2020 10:11
Updated: 05/13/2024 13:39
Changes: 04/03/2020 10:11 (40), 04/03/2020 10:16 (17), 05/13/2024 13:39 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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