CVE-2020-1456 Medium · 5.4 EPSS 2.2%
A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a…
Microsoft · Microsoft SharePoint Enterprise Server
Official description · CVE.org
A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka 'Microsoft Office SharePoint XSS Vulnerability'. This CVE ID is unique from CVE-2020-1450, CVE-2020-1451.
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
21.0 / 100
- Exploited
- Not confirmed
- Reports
- 0
- Tactics
- 4/15
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.What they do
What can follow
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 14 Jul 2020. 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
5 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 5ExecutionTA0002
MITRE CTID mapping of the CVE · primary impact
Stealth
Masquerading T1036
MITRE CTID mapping of the CVE · follow-on activity
CollectionTA0009
Data from Local System T1005
MITRE CTID mapping of the CVE · follow-on activity
ImpactTA0040
Data Destruction T1485
MITRE CTID mapping of the CVE · follow-on activity
Data Manipulation T1565
MITRE CTID mapping of the CVE · follow-on activity
Detection
0 rules for this CVE · 172 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-2020-1456 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.
Command and Scripting InterpreterT105995 general rules
- HackTool - Sliver C2 Implant Activity Patterncriticaltest
- Lazarus Group Activitycriticaltest
- REvil Kaseya Incident Malware Patternscriticaltest
- Turla Group Lateral Movementcriticaltest
- Windows Defender AMSI Trigger Detectedhighstable
- Windows Defender Threat Detectedhighstable
- Abusable DLL Potential Sideloading From Suspicious Locationhightest
- Add Insecure Download Source To Wingethightest
MasqueradingT103640 general rules
- Potential LSASS Process Dump Via Procdumphighstable
- CreateDump Process Dumphightest
- Forfiles.EXE Child Process Masqueradinghightest
- HackTool - XORDump Executionhightest
- Password Protected ZIP File Opened (Suspicious Filenames)hightest
- Potential SysInternals ProcDump Evasionhightest
- Process Execution From A Potentially Suspicious Folderhightest
- Process Memory Dump Via Comsvcs.DLLhightest
Data from Local SystemT100514 general rules
- OpenCanary - SMB File Open Requesthightest
- Potential Conti Ransomware Database Dumping Activity Via SQLCmdhightest
- SQLite Chromium Profile Data DB Accesshightest
- SQLite Firefox Profile Data DB Accesshightest
- VeeamBackup Database Credentials Dump Via Sqlcmd.EXEhightest
- Script Interpreter Spawning Credential Scanner - Linuxhighexperimental
- Script Interpreter Spawning Credential Scanner - Windowshighexperimental
- Shai-Hulud NPM Package Malicious Exfiltration via Curlhighexperimental
Data DestructionT148520 general rules
- Fsutil Suspicious Invocationhighstable
- Potential BlackByte Ransomware Activityhightest
- Potential File Overwrite Via Sysinternals SDeletehightest
- Renamed Sysinternals Sdelete Executionhightest
- AWS EFS Fileshare Mount Modified or Deletedmediumtest
- Azure Device or Configuration Modified or Deletedmediumtest
- Azure Kubernetes Network Policy Changemediumtest
- Azure Kubernetes RoleBinding/ClusterRoleBinding Modified and Deletedmediumtest
Data ManipulationT15653 general rules
Sigma rules © SigmaHQ, Detection Rule License 1.1; linked, not reproduced.
What security researchers reported
Not named in any threat report yetAlso mentioned in 1 community threat pulse (AlienVault OTX)
Weaker evidencePulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.