CVE-2021-3317 : KLog Server through 2.4.1 allows authenticated command injection. async.php call

KLog Server through 2.4.1 allows authenticated command injection. async.php calls shell_exec() on the original value of the source parameter.

Published 2021-01-26 23:15:13

Updated 2022-06-28 14:11:45

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-3317

Klogserver » Klog Server
Versions up to, including, (<=) 2.4.1
cpe:2.3:a:klogserver:klog_server:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

21.20%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 95 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.5	MEDIUM	AV:N/AC:L/Au:S/C:P/I:P/A:P	8.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Assigned by: nvd@nist.gov (Primary)

http://packetstormsecurity.com/files/161208/Klog-Server-2.4.1-Command-Injection.html

Klog Server 2.4.1 Command Injection ≈ Packet Storm
Exploit;Third Party Advisory
https://docs.unsafe-inline.com/0day/klog-server-authenticated-command-injection

KLOG Server (Authenticated) Command Injection - UNSAFE-INLINE
Exploit;Third Party Advisory

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