4.3

CVE-2024-23577: hclsoftware aftermarket epc Improper Input Validation

CVSS: 4.3v3.1MediumDeferred
Published 17-07-2026Last modified 17-07-2026

Vulnerability summary

CVE-2024-23577 is a medium (CVSS 4.3) Improper Input Validation vulnerability in hclsoftware aftermarket epc. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.30%
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. 17-07-2026
    PublishedVulnerability first disclosed.
  2. 17-07-2026
    Last modifiedVulnerability information updated.

Description

HCL Aftermarket EPC is vulnerable since the application does not have a validation for HOST header and accepts arbitrary hosts when requested in http protocol. When an application doesn’t adequately validate or sanitize this header, it can lead to several security risks, including Host header poisoning, server misconfigurations.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.30%

Chance of exploitation in the next 30 days

Percentile

21%

Versus all other CVEs

30-day change

0.00 pp

From 0.30% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.30%

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

Hclsoftware1 product

1 vendor · 1 product

References

1 links