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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Description
NULL pointer exception in the Modbus dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
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OR
*cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
*cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Changed
Reference Type
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/ No Types Assigned
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/ Mailing List, Third Party Advisory
Changed
Reference Type
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/ No Types Assigned
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/ Mailing List, Third Party Advisory
Changed
Reference Type
https://www.debian.org/security/2021/dsa-5019 No Types Assigned
https://www.debian.org/security/2021/dsa-5019 Third Party Advisory
OR
*cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* versions from (including) 3.2.0 up to (including) 3.2.17
*cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* versions from (including) 3.4.0 up to (including) 3.4.9
Added
CVSS V2
NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Added
CVSS V3.1
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added
CWE
NIST CWE-476
Changed
Reference Type
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39921.json No Types Assigned
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39921.json Third Party Advisory
Changed
Reference Type
https://gitlab.com/wireshark/wireshark/-/issues/17703 No Types Assigned
https://gitlab.com/wireshark/wireshark/-/issues/17703 Exploit, Issue Tracking, Patch, Third Party Advisory
Changed
Reference Type
https://www.wireshark.org/security/wnpa-sec-2021-14.html No Types Assigned