Resource exhaustion in Oracle Zfs Storage Appliance
CVE-2021-22174
Crash in USB HID dissector in Wireshark 3.4.0 to 3.4.2 allows denial of service via packet injection or crafted capture file
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.027 (86.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Oracle Zfs Storage Appliance — versions 8.8
- The Wireshark Foundation — versions >=3.4.0, <3.4.3
- Wireshark
- Fedoraproject Fedora — versions 32, 33
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wireshark.org/security/wnpa-sec-2021-02.html (Vendor Advisory)
- gitlab.com/wireshark/wireshark/-/issues/17165 (Exploit, Third Party Advisory)
- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22174.json (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.oracle.com/security-alerts/cpuApr2021.html (Patch, Third Party Advisory)
- security.gentoo.org/glsa/202107-21 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-22174?
- CVE-2021-22174 is a low-severity vulnerability in Oracle Zfs Storage Appliance, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 3.7/10. Published 2021-02-17.
- How severe is CVE-2021-22174?
- Low severity. CVSS v3 base score is 3.7 out of 10.
- Is CVE-2021-22174 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.