Nessus Network Monitor
CVE-2023-5623
HIGH
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
NNM failed to properly set ACLs on its installation directory, which could allow a low privileged user to run arbitrary code with SYSTEM privileges where NNM is installed to a non-standard location
AnalysisAI
NNM failed to properly set ACLs on its installation directory, which could allow a low privileged user to run arbitrary code with SYSTEM privileges where NNM is installed to a non-standard location. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Code Injection vulnerability could allow attackers to inject and execute arbitrary code within the application.
Technical ContextAI
This vulnerability is classified as Code Injection (CWE-94), which allows attackers to inject and execute arbitrary code within the application. NNM failed to properly set ACLs on its installation directory, which could allow a low privileged user to run arbitrary code with SYSTEM privileges where NNM is installed to a non-standard location Affected products include: Tenable Nessus Network Monitor.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Never evaluate user-controlled input as code. Use sandboxing, disable dangerous functions, apply strict input validation.
More in Nessus Network Monitor
View allIn order to decrypt SM2 encrypted data an application is expected to call the API function EVP_PKEY_decrypt(). Rated cri
Under certain conditions, Nessus Network Monitor could allow a low privileged user to escalate privileges to NT AUTHORIT
A vulnerability in Nessus Network Monitor versions 5.11.0, 5.11.1, and 5.12.0 for Windows could allow an authenticated l
Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases
The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain.
Under certain conditions, Nessus Network Monitor was found to not properly enforce input validation. Rated high severity
The X.509 GeneralName type is a generic type for representing different types of names. Rated medium severity (CVSS 5.9)
An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. Rated med
The OpenSSL public API function X509_issuer_and_serial_hash() attempts to create a unique hash value based on the issuer
A stored cross site scripting vulnerability exists in Nessus Network Monitor where an authenticated, privileged local at
In Tenable Network Monitor versions prior to 6.5.1 on a Windows host, it was found that a non-administrative user could
When installing Tenable Network Monitor to a non-default location on a Windows host, Tenable Network Monitor versions pr
Same weakness CWE-94 – Code Injection
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External POC / Exploit Code
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