CVE
CVE-2022-26281
BigAnt Server v5.6.06 was discovered to contain an incorrect access control issue.
BigAnt Server v5.6.06 was discovered to contain an incorrect access control issue.
HIGH · CVSS 7.5
EPSS 0.00165
Act now
- Public exploit or PoC is available
- CVSS base score ≥ 7.0
Sigma rules0
YARA rules0
Look this up elsewhere - one-click external pivots
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How to read a CVE - triage first, then detect and patch
This page is every public fact about CVE-2022-26281, cross-linked. Its job is to answer one question fast - does this need my attention now? - and then hand you the two things you do about it. Here is how an analyst reads it.
Triage: should I act now? Four signals, and they are not interchangeable:
CVSSseverity - how bad it is IF exploited, 0-10. A high CVSS alone is not urgency; a flaw can be a perfect 10 and never actually be attacked.
EPSSprobability - a model’s estimate of the chance it is exploited in the next 30 days, 0-1. This is the “will it actually happen” signal.
CISA KEVconfirmed - it is being exploited in the wild right now. The strongest signal on the page; KEV beats any score.
Weaponisedavailability - public exploits / PoCs, and especially Metasploit modules rated Excellent / Great. Reliable, packaged exploit code means low-skill attackers can use it today.
How they combine: KEV, or a dependable Metasploit module, means patch now regardless of CVSS. High CVSS + low EPSS + no exploit is real but not an emergency - schedule it. Low CVSS but KEV-listed still gets patched now. The verdict above already weighed these for you; this is how it got there.
Then what - two workflows:
Detectwhen you cannot patch today, follow this CVE to the ATT&CK techniques it enables, then Build a SIEM detection (the green button) - author a rule, test it in Atomic, deploy it. That buys visibility while the patch waits.
PatchAffected products / packages tell you if you are exposed; Fixed versions by distribution and Vendor advisories give the exact version that closes it.
Reading order for the panels below: verdict + badges, then Public exploits / Metasploit (is it weaponised), then ATT&CK techniques + Sigma / IDS rules (can I detect it), then Affected products / packages + Fixed versions (am I exposed, what patches it), then Threat actors / IOCs (who uses it), then Scoring & timeline / references (the evidence).
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ATT&CK techniques
15Techniques this CVE enables - linked via CWECAPECATT&CK. High◆ = named directly in ATT&CK or Nuclei templates.
T1005 · Data from Local System T1040 · Network Sniffing T1056.004 · Credential API Hooking T1083 · File and Directory Discovery T1111 · Multi-Factor Authentication Interception T1134.001 · Token Impersonation/Theft T1505.005 · Terminal Services DLL T1539 · Steal Web Session Cookie T1548 · Abuse Elevation Control Mechanism T1550.004 · Web Session Cookie T1552.004 · Private Keys T1553.002 · Code Signing T1554 · Compromise Host Software Binary T1574.005 · Executable Installer File Permissions Weakness T1574.010 · Services File Permissions Weakness
▤ Build a SIEM detection for these techniques
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CAPEC attack patterns
12Attack patterns this CVE enables - the bridge from weakness to ATT&CK technique.
CAPEC-CAPEC-1 · Accessing Functionality Not Properly Constrained by ACLs CAPEC-CAPEC-122 · Privilege Abuse CAPEC-CAPEC-127 · Directory Indexing CAPEC-CAPEC-157 · Sniffing Attacks CAPEC-CAPEC-158 · Sniffing Network Traffic CAPEC-CAPEC-17 · Using Malicious Files CAPEC-CAPEC-180 · Exploiting Incorrectly Configured Access Control Security Levels CAPEC-CAPEC-204 · Lifting Sensitive Data Embedded in Cache CAPEC-CAPEC-206 · Signing Malicious Code CAPEC-CAPEC-234 · Hijacking a privileged process CAPEC-CAPEC-31 · Accessing/Intercepting/Modifying HTTP Cookies CAPEC-CAPEC-37 · Retrieve Embedded Sensitive Data
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Weakness Classification
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Affected Products & Versions
1bigantsoft bigant serverall versions
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Public Exploits & PoCs
5These PoC and exploit links come from public sources and are not verified to be safe or functional. Review the code before running anything, and treat unverified entries as untrusted.
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Scoring & Timeline
7.5
HIGH · CVSS v3.1 · [email protected]
Attack Vector
Network
Adjacent
Local
Physical
Attack Complexity
Low
High
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
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References & Sources
2Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://bigant.comNot Applicable
https://www.bigantsoft.com/Vendor Advisory