Home/CVE/The bdisk.sys driver in COMODO Backup before 4.4.1.23 allows remote attackers to gain privileges via a crafted device ha
CVE
CVE-2014-9633
The bdisk.sys driver in COMODO Backup before 4.4.1.23 allows remote attackers to gain privileges via a crafted device ha
The bdisk.sys driver in COMODO Backup before 4.4.1.23 allows remote attackers to gain privileges via a crafted device handle, which triggers a NULL pointer dereference.
HIGH · CVSS 7.5
EPSS 0.07211
Act now
- EPSS percentile: top 8% of all CVEs by exploitation likelihood
- Public exploit or PoC is available
- CVSS base score ≥ 7.0
Sigma rules6
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-2014-9633, 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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Weakness Classification
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Affected Products & Versions
1comodo backup<= 4.4.1
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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.
pocpacketstormsecurity.com · Comodo-Backup-4.4.0.0-NULL-Pointer-Dereference.htmlpacketstormsecurity.com
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Sigma Hunt Rules
6Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighVeeam Backup Servers Credential Dumping Script Execution
producthighDPAPI Backup Keys And Certificate Export Activity IOC
producthighPUA - Restic Backup Tool Execution
producthighSensitive File Recovery From Backup Via Wbadmin.EXE
producthighSensitive File Access Via Volume Shadow Copy Backup
producthighDPAPI Domain Backup Key Extraction
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Scoring & Timeline
7.5
HIGH · CVSS v2 (legacy) · [email protected]
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
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References & Sources
1Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.