CVE-2021-22207: debian debian_linux
CVSS: 6.5v3.1MediumModified
AliasesMGASA-2021-0222UBUNTU-CVE-2021-22207DEBIAN-CVE-2021-22207
Published 23-04-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-22207 is a medium (CVSS 6.5) vulnerability in debian debian_linux. EPSS estimates a 2.02% chance of exploitation in the next 30 days, higher than 80.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
2.02%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 6 · Related 4Timeline
- 23-04-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Excessive memory consumption in MS-WSP dissector in Wireshark 3.4.0 to 3.4.4 and 3.2.0 to 3.2.12 allows denial of service via packet injection or crafted capture file
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSources4 sources · 5.5–6.5
- CVE.orgCNA5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.02%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.02% on 18-09-2026
18-09-202618-10-2026
EPSS score2.02%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (gitlab.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- wireshark< 3.4.7-1
- debian_linuxEOL9.0 | 10.0 | 11.0
Fedoraproject1 product
- fedoraEOL33 | 34
Mageia1 product
- wireshark< 3.4.5-1.mga8
Oracle1 product
The wireshark foundation1 product
- wireshark≥ 3.4.0, < 3.4.5 | ≥ 3.2.0, < 3.2.13
Ubuntu1 product
- wiresharkAll versions (No fix recorded)
Wireshark1 product
- wireshark≥ 3.2.0, ≤ 3.2.12 | ≥ 3.4.0, ≤ 3.4.4
7 vendors · 8 products
References
18 links- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22207.jsonX Refsource CONFIRMREPORTThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/12/msg00015.htmlMailing ListX Refsource MLISTThird Party Advisory