CVE-2019-1794 Medium · 5.1 EPSS 0.4%
Cisco Directory Connector Search Order Hijacking Vulnerability
Cisco · Cisco Directory Connector
Official description · CVE.org
A vulnerability in the search path processing of Cisco Directory Connector could allow an authenticated, local attacker to load a binary of their choosing. The vulnerability is due to uncontrolled search path elements. An attacker could exploit this vulnerability by placing a binary of their choosing earlier in the search path utilized by Cisco Directory Connector to locate and load required resources.
Priority scorePatchfirst’s 0 to 100 ranking. It adds points for CISA KEV listing, ransomware use, EPSS, threat reports, public exploit code and CVSS. Every CVE page shows the breakdown. Breakdown
10.0 / 100
- Exploited
- Not confirmed
- Reports
- 0
- Tactics
- 5/15
How an attack unfolds
Based on MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. mappings. Select a step to see the evidence.Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
Disclosed on 18 Apr 2019. No public exploit code or confirmed exploitation is recorded.
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
2 TechniqueOne specific attacker behaviour in MITRE ATT&CK, such as T1190 “Exploit Public-Facing Application”. IDs with a dot, like T1059.004, are sub-techniques., grouped by TacticThe attacker’s goal at a stage of an attack in MITRE ATT&CK, such as Initial Access or Persistence. Each technique belongs to one or more tactics. in kill-chain order 2Initial AccessTA0001
MITRE CTID mapping of the CVE · how it is exploited
ExecutionTA0002
MITRE CTID mapping of the CVE · primary impact
Detection
0 rules for this CVE · 58 general rules for its techniquesRules for this CVE
0Sigma ruleAn open, vendor-neutral detection rule for log data. Security teams convert Sigma rules into searches for their own SIEM. that reference CVE-2019-1794 directly.CVE-specific rules are not available in this build. Search SigmaHQ ↗
General rules for this CVE’s techniques
These detect the technique in general, not this specific vulnerability.
Valid AccountsT107856 general rules
- Win Susp Computer Name Containing Samtheadmincriticaltest
- Account Created And Deleted Within A Close Time Framehightest
- Activity From Anonymous IP Addresshightest
- Atypical Travelhightest
- Azure AD Threat Intelligencehightest
- Azure Subscription Permission Elevation Via AuditLogshightest
- External Remote SMB Logon from Public IPhightest
- Impossible Travelhightest
Path Interception by Search Order HijackingT1574.0082 general rules
- Using SettingSyncHost.exe as LOLBinhightest
- Potential Notepad++ CVE-2025-49144 Exploitationhighexperimental
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