Nessus Network Monitor
CVE-2020-5794
HIGH
Vulnerability Assessment
| Impact | CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required. |
| Exploit ScenarioDerived | Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
A vulnerability in Nessus Network Monitor versions 5.11.0, 5.11.1, and 5.12.0 for Windows could allow an authenticated local attacker to execute arbitrary code by copying user-supplied files to a. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Technical ContextAI · show details
A vulnerability in Nessus Network Monitor versions 5.11.0, 5.11.1, and 5.12.0 for Windows could allow an authenticated local attacker to execute arbitrary code by copying user-supplied files to a specially constructed path in a specifically named user directory. The attacker needs valid credentials on the Windows system to exploit this vulnerability. Affected products include: Tenable Nessus Network Monitor.
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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
DescriptionNVD
A vulnerability in Nessus Network Monitor versions 5.11.0, 5.11.1, and 5.12.0 for Windows could allow an authenticated local attacker to execute arbitrary code by copying user-supplied files to a specially constructed path in a specifically named user directory. The attacker needs valid credentials on the Windows system to exploit this vulnerability.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
Affected Products (CPE)NVD
More in Nessus Network Monitor
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An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. Rated med
The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain.
ASN.1 strings are represented internally within OpenSSL as an ASN1_STRING structure which contains a buffer holding the
Under certain conditions, Nessus Network Monitor could allow a low privileged user to escalate privileges to NT AUTHORIT
NNM failed to properly set ACLs on its installation directory, which could allow a low privileged user to run arbitrary
Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases
Under certain conditions, Nessus Network Monitor was found to not properly enforce input validation. Rated high severity
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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
GitHub PoC
Exploit-DB