VulnerabilityPublished 18 Mar 2019Updated 30 May 2025

CVE-2018-18466: SecurEnvoy SecurAccess

Source CVE Database V5

Not known to be exploited.

Data as of 26 Oct 2026, 13:47 UTC

Severity

Medium

Rated Medium by the CNA (mitre) · No CVSS score from NVD or the CNA

EPSS: 0.3% chance of exploitation in 30 days – higher than 27% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

Exploitation evidence

Disclosed: evidence found.
CVE published 18 Mar 2019
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

AI-suggested

To mitigate this vulnerability, European organizations should implement the following specific measures: 1) Restrict administrative privileges strictly to trusted personnel and enforce the principle of least privilege to minimize the risk of unauthorized enabling of Debug mode. 2) Monitor and audit registry changes, especially those involving custom keys related to SecurEnvoy or Debug mode activation, to detect any unauthorized modifications promptly. 3) Limit access to the DEBUG folder and associated log files to only essential personnel and use file system permissions to prevent unauthorized reading of sensitive logs. 4) Establish policies that prohibit enabling Debug mode in production environments unless absolutely necessary for troubleshooting and ensure that Debug mode is disabled immediately after use. 5) Coordinate with SecurEnvoy support to understand best practices for emergency credential handling and inquire about any updates or patches that may address this issue. 6) Consider implementing additional encryption or secure storage mechanisms for emergency credentials and logs if feasible. 7) Educate support and administrative staff about the risks of enabling Debug mode and the importance of safeguarding emergency credentials.

Description

An issue was discovered in SecurEnvoy SecurAccess 9.3.502. When put in Debug mode and used for RDP connections, the application stores the emergency credentials in cleartext in the logs (present in the DEBUG folder) that can be accessed by anyone. NOTE: The vendor disputes this as a vulnerability since the disclosure of a local account password (actually an alpha numeric passcode) is achievable only when a custom registry key is added to the windows registry. This action requires administrator access and the registry key is only provided by support staff at securenvoy to troubleshoot customer issues.

Impact

For European organizations using SecurEnvoy SecurAccess 9.3.502, the impact of this vulnerability is primarily related to insider threats or scenarios where an attacker has already gained administrative access to a system. In such cases, the exposure of emergency credentials in cleartext logs could facilitate lateral movement or privilege escalation within the network, undermining confidentiality and integrity of authentication mechanisms. However, since the vulnerability requires enabling Debug mode via a custom registry key, which is controlled and typically only used for troubleshooting, the risk of accidental exposure is low. The availability of the system is not directly impacted. Organizations with strict access controls and monitoring of administrative actions will be less affected. Nevertheless, in environments where administrative privileges are more broadly distributed or where support staff might enable Debug mode without strict controls, there is a potential for credential leakage. This could be particularly concerning for sectors with high security requirements such as finance, government, and critical infrastructure within Europe. The absence of known exploits and the requirement for local admin rights limit the scope of impact, but the vulnerability highlights the importance of secure handling of debug logs and emergency credentials.

References

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Exploitation evidence

What to do

Description

AI analysisMachine-generated, updated 8 Jul 2025, 14:57 UTC

Technical details

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