CVE-2021-22235
HIGHCVSS 7.5/10EPSS 3.30%
Last modified
CVE-2021-22235 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 3.30% chance of exploitation in the next 30 days.
Description
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | >= 3.2.0, < 3.2.15 |
| Wireshark | Wireshark | >= 3.4.0, < 3.4.7 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22235.jsonThird Party Advisory
- https://gitlab.com/wireshark/wireshark/-/issues/17462Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/12/msg00015.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202210-04Third Party Advisory
- https://www.debian.org/security/2021/dsa-5019Mailing List, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2021-05.htmlVendor Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22235.jsonThird Party Advisory
- https://gitlab.com/wireshark/wireshark/-/issues/17462Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/12/msg00015.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202210-04Third Party Advisory
- https://www.debian.org/security/2021/dsa-5019Mailing List, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2021-05.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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
How severe is CVE-2021-22235?
CVE-2021-22235 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.30% probability of exploitation in the next 30 days.
How do I fix CVE-2021-22235?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-22235?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST