7.5

CVE-2023-27787: broadcom tcpreplay NULL Pointer Dereference

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2023-27787DEBIAN-CVE-2023-27787
Published 16-03-2023Last modified 26-02-2025
Open JSON

Vulnerability summary

CVE-2023-27787 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in broadcom tcpreplay. EPSS estimates a 1.48% chance of exploitation in the next 30 days, higher than 73.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.48%
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 2 · Related 1
MGASA-2023-0188USN-7231-1

Timeline

  1. 16-03-2023
    PublishedVulnerability first disclosed.
  2. 26-02-2025
    Last modifiedVulnerability information updated.

Description

An issue found in TCPprep v.4.4.3 allows a remote attacker to cause a denial of service via the parse_list function at the list.c:81 endpoint.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

1.48%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

0.00 pp

From 1.48% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.48%

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
  • tcpreplayAll versions (No fix recorded) | < 4.4.4-1
Ubuntu1 product
  • tcpreplay< 3.4.4-2+deb8u1ubuntu0.1~esm3 | < 4.2.6-1ubuntu0.1~esm5 | < 4.3.2-1ubuntu0.1~esm3 | < 4.3.4-1ubuntu0.1~esm2

3 vendors · 3 products

References

8 links