6.5

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.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
2.02%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 6 · Related 4

Timeline

  1. 23-04-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last 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 versions

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 score
2.02%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gitlab.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Fedoraproject1 product
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
Show all 18 references