How severe is CVE-2023-28017?

CVE-2023-28017 has a CVSS 3.x base score of 5.4, 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 none.

Is CVE-2023-28017 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28017?

CVE-2023-28017 primarily affects Hcltech Connections. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-28017?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-28017 published?

CVE-2023-28017 was published on 2023-12-07 and last updated on 2026-06-17.

CVE-2023-28017

CVE-2023-28017 is a medium-severity vulnerability in Hcltech Connections with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Hcltech Connections
Published: 2023-12-07
Last modified: 2026-06-17

Description

HCL Connections is vulnerable to a cross-site scripting attack where an attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user after visiting the vulnerable URL which leads to executing malicious script code. This may let the attacker steal cookie-based authentication credentials and comprise a user's account then launch other attacks.

Frequently asked questions

What is CVE-2023-28017?: HCL Connections is vulnerable to a cross-site scripting attack where an attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user after visiting the vulnerable URL which leads to executing malicious script code. This may let the attacker steal cookie-based authentication credentials and comprise a user's account then launch other attacks.
How severe is CVE-2023-28017?: CVE-2023-28017 has a CVSS 3.x base score of 5.4, 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 none.
Is CVE-2023-28017 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28017?: CVE-2023-28017 primarily affects Hcltech Connections. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-28017?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-28017 published?: CVE-2023-28017 was published on 2023-12-07 and last updated on 2026-06-17.

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0108264

Affected products (4)

cpe:2.3:a:hcltech:connections:6.0:*:*:*:*:*:*:*
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-2023-28018 — Medium (CVSS 5.5): HCL Connections is vulnerable to a denial of service, caused by improper validation on certain requests. Using a…
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…

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