7.8

CVE-2022-27940: broadcom tcpreplay Out-of-bounds Read

CVSS: 7.8v3.1HighModified
AliasesDEBIAN-CVE-2022-27940
Published 26-03-2022Last modified 03-08-2024

Vulnerability summary

CVE-2022-27940 is a high (CVSS 7.8) Out-of-bounds Read vulnerability in broadcom tcpreplay. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
1.11%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 26-03-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

tcprewrite in Tcpreplay 4.4.1 has a heap-based buffer over-read in get_ipv6_next in common/get.c.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.11%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

0.00 pp

From 1.12% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.11%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Tcpreplay

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Broadcom1 product
Debian1 product
  • tcpreplay< 4.4.2-1
Fedoraproject1 product

3 vendors · 3 products

References

6 links