ICS/OT CYBERSECURITY
CVE-2021-36958 vulnerabilities to gain access to OT networks from IT networks…
2 passages name itOriginal (opens in a new tab) ↗
CVE-2021-36958 High · 7.8 EPSS 30.8%
Windows Print Spooler Remote Code Execution Vulnerability
Microsoft · Windows 10 Version 1507
Summary
The Windows Print Spooler service in Microsoft's Windows 10 Version 1507 contains a flaw where it improperly performs privileged file operations. An attacker who successfully exploits it can run arbitrary code with SYSTEM privileges, enabling them to install programs, view, change, or delete data, or create accounts with full user rights, provided they have local access and a user performs an interaction.
Official description · CVE.org
A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
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
29.7 / 100
- Exploited
- Not confirmed
- Reports
- 1
- Tactics
- 0/15
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 12 Aug 2021. 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
No techniques linkedNo ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.
What security researchers reported
Named in 1 threat report1 reportDragos
Reports are matched by finding the exact id CVE-2021-36958 in their text; nobody has reviewed the match. One passage is shown per report, at most 320 characters, linked to the original.
Also mentioned in 1 community threat pulse (AlienVault OTX)
Weaker evidencePulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.