7.5

CVE-2020-9430: debian debian_linux Improper Input Validation

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2020-9430DEBIAN-CVE-2020-9430
Published 27-02-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-9430 is a high (CVSS 7.5) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 2.81% chance of exploitation in the next 30 days, higher than 86.2% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.81%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Advisory lineage

Upstream 0 · Downstream 4 · Related 3

Timeline

  1. 27-02-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

In Wireshark 3.2.0 to 3.2.1, 3.0.0 to 3.0.8, and 2.6.0 to 2.6.14, the WiMax DLMAP dissector could crash. This was addressed in plugins/epan/wimax/msg_dlmap.c by validating a length field.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.81%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

0.00 pp

From 2.81% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.81%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (bugs.wireshark.org)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (bugs.wireshark.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Fedoraproject1 product
Opensuse1 product
Ubuntu1 product
  • wiresharkAll versions (No fix recorded)
Wireshark1 product
  • wireshark≥ 2.6.0, ≤ 2.6.14 | ≥ 3.0.0, ≤ 3.0.8 | ≥ 3.2.0, ≤ 3.2.1

5 vendors · 6 products

References

16 links
Show all 16 references