01 Record
CVE-2022-33749
XAPI open file limit DoS It is possible for an unauthenticated client on the network to cause XAPI to hit its file-descriptor limit. This causes XAPI to be unable to accept new requests for other
UnratedPUBLISHEDCNA: XEN
CNA base scoreUnratedNo CNA CVSS vector
02 Description
XAPI open file limit DoS It is possible for an unauthenticated client on the network to cause XAPI to hit its file-descriptor limit. This causes XAPI to be unable to accept new requests for other
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.17% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 67.4% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-10-11 00:00Z4 YR AGO
- Last updated
- 2024-08-03 08:09Z2 YR AGO
- Reserved
- 2022-06-15
- Assigning CNA
- XEN
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-770Allocation of Resources Without Limits or ThrottlingBase
- Data version
- 5.1
- Document digest
- 341a48d4d040a4dfbb64403b925db8b72d8fb22411e113272a3af527d642b2ed
05 Affected products
VendorProductVersionsPlatforms
06 References
- xenbits.xenproject.orghttps://xenbits.xenproject.org/xsa/advisory-413.txt
- xenbits.xen.orghttp://xenbits.xen.org/xsa/advisory-413.html
- www.openwall.com[oss-security] 20221011 Xen Security Advisory 413 v2 (CVE-2022-33749) - XAPI open file limit DoShttp://www.openwall.com/lists/oss-security/2022/10/11/4
- security.gentoo.orgGLSA-202402-07https://security.gentoo.org/glsa/202402-07