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CVE-2021-22191
Improper URL handling in Wireshark 3.4.0 to 3.4.3 and 3.2.0 to 3.2.11 could allow remote code execution via via packet injection or…
Medium6.3EPSS 3.7%
- Published
- Updated
- Reserved
- Assigned by
- GitLab
Description
Improper URL handling in Wireshark 3.4.0 to 3.4.3 and 3.2.0 to 3.2.11 could allow remote code execution via via packet injection or crafted capture file.
Timeline
ID reserved
By GitLab
- 2 months later
· 2 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitLabCNA (assigner) | 3.1 | Medium6.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.7% · top 10% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.3.
Weakness
- External control of file name or path in Wireshark
- CWE-74 (opens in a new tab)All about CWE-74 and its CVEs
Affected products
The Wireshark Foundation · Wireshark
- affected >=3.4.0, <3.4.4
- affected >=3.2.0, <3.2.12
References (6)
- https://www.wireshark.org/security/wnpa-sec-2021-03.html (opens in a new tab)x_refsource_MISCx_transferred
- https://gitlab.com/wireshark/wireshark/-/issues/17232 (opens in a new tab)x_refsource_MISCx_transferred
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22191.json (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.oracle.com/security-alerts/cpuApr2021.html (opens in a new tab)x_refsource_MISCx_transferred
- GLSA-202107-21 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- [debian-lts-announce] 20220331 [SECURITY] [DLA 2967-1] wireshark security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-22191)Record last updated .