CVE-2023-28018
CVE-2023-28018 is a medium-severity vulnerability in Hcltech Connections with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (24th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-31743
- Affected product: Hcltech Connections
- Published:
- Last modified:
Description
HCL Connections is vulnerable to a denial of service, caused by improper validation on certain requests. Using a specially-crafted request an attacker could exploit this vulnerability to cause denial of service for affected users.
Frequently asked questions
- What is CVE-2023-28018?
- HCL Connections is vulnerable to a denial of service, caused by improper validation on certain requests. Using a specially-crafted request an attacker could exploit this vulnerability to cause denial of service for affected users.
- How severe is CVE-2023-28018?
- CVE-2023-28018 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2023-28018 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-28018?
- CVE-2023-28018 primarily affects Hcltech Connections. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-28018?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2023-28018 have an EU (EUVD) identifier?
- Yes. CVE-2023-28018 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-31743.
- When was CVE-2023-28018 published?
- CVE-2023-28018 was published on 2024-02-12 and last updated on 2026-06-17.
References
Affected products (3)
- cpe:2.3:a:hcltech:connections:6.5:*:*:*:*:*:*:*
- cpe:2.3:a:hcltech:connections:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:hcltech:connections:8.0:*:*:*:*:*:*:*
More vulnerabilities in Hcltech Connections
- CVE-2020-4085 — Medium (CVSS 6.5): "HCL Connections is vulnerable to possible information leakage and could disclose sensitive information via stack trace…
- CVE-2019-4209 — Medium (CVSS 6.1): HCL Connections v5.5, v6.0, and v6.5 contains an open redirect vulnerability which could be exploited by an attacker to…
- CVE-2020-4083 — Medium (CVSS 5.5): HCL Connections 6.5 is vulnerable to possible information leakage. Connections could disclose sensitive information via…
- CVE-2026-21788 — Medium (CVSS 5.4): HCL Connections is vulnerable to a cross-site scripting attack where an attacker may leverage this issue to execute…
- CVE-2024-30112 — Medium (CVSS 5.4): HCL Connections is vulnerable to a cross-site scripting attack where an attacker may leverage this issue to execute…
- CVE-2023-28017 — Medium (CVSS 5.4): HCL Connections is vulnerable to a cross-site scripting attack where an attacker may leverage this issue to execute…