How severe is CVE-2024-23557?

CVE-2024-23557 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2024-23557 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23557?

CVE-2024-23557 primarily affects Hcltech Connections. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-23557?

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

Does CVE-2024-23557 have an EU (EUVD) identifier?

Yes. CVE-2024-23557 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-21052.

When was CVE-2024-23557 published?

CVE-2024-23557 was published on 2024-04-18 and last updated on 2026-06-17.

CVE-2024-23557

CVE-2024-23557 is a low-severity vulnerability in Hcltech Connections with a CVSS 3.x base score of 3.5. 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-200.

Key facts

Severity: Low (CVSS 3.x base score 3.5)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-21052
Weakness: CWE-200
Affected product: Hcltech Connections
Published: 2024-04-18
Last modified: 2026-06-17

Description

HCL Connections contains a user enumeration vulnerability. Certain actions could allow an attacker to determine if the user is valid or not, leading to a possible brute force attack.

Frequently asked questions

What is CVE-2024-23557?: HCL Connections contains a user enumeration vulnerability. Certain actions could allow an attacker to determine if the user is valid or not, leading to a possible brute force attack.
How severe is CVE-2024-23557?: CVE-2024-23557 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2024-23557 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23557?: CVE-2024-23557 primarily affects Hcltech Connections. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-23557?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-23557 have an EU (EUVD) identifier?: Yes. CVE-2024-23557 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-21052.
When was CVE-2024-23557 published?: CVE-2024-23557 was published on 2024-04-18 and last updated on 2026-06-17.

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0112488

Affected products (6)

cpe:2.3:a:hcltech:connections:7.0:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:connections:8.0:-:*:*:*:*:*:*
cpe:2.3:a:hcltech:connections:8.0:cumulative_release1:*:*:*:*:*:*
cpe:2.3:a:hcltech:connections:8.0:cumulative_release2:*:*:*:*:*:*
cpe:2.3:a:hcltech:connections:8.0:cumulative_release3:*:*:*:*:*:*
cpe:2.3:a:hcltech:connections:8.0:cumulative_release4:*:*:*:*:*:*

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…
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