Home/CVE/Improper handling of resource allocation in virtual machines can lead to information exposure in Snapdragon Consumer IOT
CVE
CVE-2021-1918
Improper handling of resource allocation in virtual machines can lead to information exposure in Snapdragon Consumer IOT
Improper handling of resource allocation in virtual machines can lead to information exposure in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile.
MEDIUM · CVSS 6.5
EPSS 0.00142
EPSS exploitation odds0.14% · top 96%
Monitor
- No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
No Sigma yet — build one →
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-2021-1918, 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).
EPSS exploitation probability
0.14%
Top 96%odds of exploitation in the next 30 days
CVSS metric silhouette
shape grows toward worst-case
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Tech impact
partial
CVSS vector breakdown
Exploitability - how they get in
Attack Vector
Network
Adjacent
Local
Physical
Attack Complexity
Low
High
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Impact - what breaks
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
VECTOR
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:NLifecycle
- 03 Jan 2022Published to NVD
- 17 Jun 2026Last modified
Every entry is a recorded date - NVD publish/modify, CISA KEV add, public exploit disclosure. No inferred events.
Attack path
Full kill chain
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ATT&CK techniques
1Techniques this CVE enables. Pills with a solid outline are high confidence - named directly in ATT&CK or Nuclei, or human-curated by CTID; the rest are inferred from the weakness type using MITRE's CVE Mapping Methodology and the CWE → CAPEC chain. Broad, generic-weakness guesses are filtered out. A small N× marks a technique that N independent sources agree on.
▤ Build a SIEM detection for these techniques⬡
Weakness Classification
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Affected Products & Versions
30qualcomm qca6391 firmwareall versions
qualcomm qcm6490 firmwareall versions
qualcomm qcs6490 firmwareall versions
qualcomm qrb5165 firmwareall versions
qualcomm qrb5165n firmwareall versions
qualcomm sd690 5g firmwareall versions
qualcomm sd750g firmwareall versions
qualcomm sd765 firmwareall versions
qualcomm sd765g firmwareall versions
qualcomm sd768g firmwareall versions
qualcomm sd778g firmwareall versions
qualcomm sd888 5g firmwareall versions
qualcomm sm7250p firmwareall versions
qualcomm sm7325p firmwareall versions
qualcomm wcd9370 firmwareall versions
qualcomm wcd9375 firmwareall versions
qualcomm wcd9380 firmwareall versions
qualcomm wcd9385 firmwareall versions
qualcomm wcn3988 firmwareall versions
qualcomm wcn3991 firmwareall versions
qualcomm wcn3998 firmwareall versions
qualcomm wcn6750 firmwareall versions
qualcomm wcn6850 firmwareall versions
qualcomm wcn6851 firmwareall versions
qualcomm wcn6855 firmwareall versions
qualcomm wcn6856 firmwareall versions
qualcomm wsa8810 firmwareall versions
qualcomm wsa8815 firmwareall versions
qualcomm wsa8830 firmwareall versions
qualcomm wsa8835 firmwareall versions
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Related CVEs
8CVEs linked to this one by a shared weakness (CWE) or affected product - joins on data already in the engine, with the reason shown per row.
CVE-2001-0892
Acme Thttpd Secure Webserver before 2.22, with the chroot option enabled, allows...
same CWE-668
CVE-2001-0893
Acme mini_httpd before 1.16 allows remote attackers to view sensitive files unde...
same CWE-668
CVE-2004-1489
Opera 7.54 and earlier does not properly limit an applet's access to internal Ja...
same CWE-668
CVE-2005-2351
Mutt before 1.5.20 patch 7 allows an attacker to cause a denial of service via a...
same CWE-668
MEDIUM
CVE-2020-11119
Buffer over-read can happen when the buffer length received from response handle...
same product
HIGH
CVE-2020-11136
Buffer Over-read in audio driver while using malloc management function due to n...
same product
CRITICAL
CVE-2020-11137
Integer multiplication overflow resulting in lower buffer size allocation than e...
same product
CRITICAL
CVE-2020-11138
Uninitialized pointers accessed during music play back with incorrect bit stream...
same product
CRITICAL
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Vendor Advisories
1🔗
References & Sources
1Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.