Vulnerability in The Wireshark Foundation
CVE-2021-22235
Crash in DNP dissector in Wireshark 3.4.0 to 3.4.6 and 3.2.0 to 3.2.14 allows denial of service via packet injection or crafted capture file
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.033 (88.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000
Affected products
- The Wireshark Foundation — versions >=3.4.0, <3.4.7, >=3.2.0, <3.2.15
- Wireshark
- Debian Linux — versions 9.0, 10.0, 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wireshark.org/security/wnpa-sec-2021-05.html (Vendor Advisory)
- gitlab.com/wireshark/wireshark/-/issues/17462 (Exploit, Third Party Advisory)
- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22235.json (Third Party Advisory)
- www.debian.org/security/2021/dsa-5019 (vendor-advisory, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/12/msg00015.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202210-04 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-22235?
- CVE-2021-22235 is a high-severity vulnerability in The Wireshark Foundation, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2021-07-20.
- How severe is CVE-2021-22235?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-22235 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.