CVE-2021-33634
Malicious image running containers may cause DoS attacks
MEDIUM
5.5
CVSS Score
Published: October 29, 2023 at 07:51 AM UTC
Updated: June 17, 2026 at 03:54 AM UTC
1 product affected across 1 vendorIcr
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
iSulad uses the lcr+lxc runtime (default) to run malicious images, which can cause DOS.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 2.0.9-6,2.1.2-3v < 2.0.9-62.1.0 ≤ v < 2.1.2-3
Affected range stops below 2.0.9-6, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.1.2-3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-665NVD-CWE-noinfo
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