CVE-2020-24266: broadcom tcpreplay Out-of-bounds Write
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2020-24266DEBIAN-CVE-2020-24266
Published 19-10-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-24266 is a high (CVSS 7.5) Out-of-bounds Write vulnerability in broadcom tcpreplay. EPSS estimates a 2.23% chance of exploitation in the next 30 days, higher than 82.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
2.23%
0%100%
Low · -0.34 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 19-10-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in tcpreplay tcpprep v4.3.3. There is a heap buffer overflow vulnerability in get_l2len() that can make tcpprep crash and cause a denial of service.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/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
2.23%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
-0.34 pp
From 2.56% on 18-09-2026
18-09-202618-10-2026
EPSS score2.23%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundTcpreplay
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Broadcom1 product
- tcpreplay4.3.3
Debian1 product
- tcpreplay< 4.3.4-1
Fedoraproject1 product
- fedoraEOL31 | 32 | 33
Ubuntu1 product
- tcpreplay< 4.2.6-1ubuntu0.1~esm3 | < 4.3.2-1ubuntu0.1~esm1
4 vendors · 4 products
References
9 links- github.com/appneta/tcpreplay/issues/617X Refsource MISCREPORTExploitIssue TrackingPatchThird Party Advisory
