7.5

CVE-2020-8036: tcpdump Out-of-bounds Read

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2020-8036
Published 04-11-2020Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2020-8036 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in tcpdump. EPSS estimates a 1.48% chance of exploitation in the next 30 days, higher than 73.4% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.48%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-11-2020
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

The tok2strbuf() function in tcpdump 4.10.0-PRE-GIT was used by the SOME/IP dissector in an unsafe way.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.48%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

0.00 pp

From 1.48% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.48%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Tcpdump1 product
The tcpdump group1 product
Ubuntu1 product
  • tcpdump< 4.99.0-2

3 vendors · 3 products

References

3 links