How severe is CVE-2023-28021?

CVE-2023-28021 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-28021 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28021?

CVE-2023-28021 affects Hcltech Bigfix Webui. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28021?

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

When was CVE-2023-28021 published?

CVE-2023-28021 was published on 2023-07-18 and last updated on 2026-06-17.

CVE-2023-28021

CVE-2023-28021 is a medium-severity vulnerability in Hcltech Bigfix Webui with a CVSS 3.x base score of 5.9. 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-326.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-326
Affected product: Hcltech Bigfix Webui
Published: 2023-07-18
Last modified: 2026-06-17

Description

The BigFix WebUI uses weak cipher suites.

Frequently asked questions

What is CVE-2023-28021?: The BigFix WebUI uses weak cipher suites.
How severe is CVE-2023-28021?: CVE-2023-28021 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-28021 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28021?: CVE-2023-28021 affects Hcltech Bigfix Webui. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28021?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-28021 published?: CVE-2023-28021 was published on 2023-07-18 and last updated on 2026-06-17.

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0106123

Affected products (1)

cpe:2.3:a:hcltech:bigfix_webui:-:*:*:*:*:*:*:*

More vulnerabilities in Hcltech Bigfix Webui

CVE-2021-27764 — High (CVSS 7.4): Cookie without HTTPONLY flag set. NUMBER cookie(s) was set without Secure or HTTPOnly flags. The images show the cookie…
CVE-2022-38655 — Medium (CVSS 6.4): BigFix WebUI non-master operators are missing controls that prevent them from being able to modify the relevance of…
CVE-2023-28019 — Medium (CVSS 5.5): Insufficient validation in Bigfix WebUI API App site version < 14 allows an authenticated WebUI user to issue SQL…
CVE-2020-4104 — Medium (CVSS 5.4): HCL BigFix WebUI is vulnerable to stored cross-site scripting (XSS) within the Apps->Software module. An attacker can…
CVE-2023-28023 — Medium (CVSS 4.9): A cross site request forgery vulnerability in the BigFix WebUI Software Distribution interface site version 44 and…
CVE-2023-28020 — Medium (CVSS 4.7): URL redirection in Login page in HCL BigFix WebUI allows malicious user to redirect the client browser to an external…

All CVEs affecting Hcltech Bigfix Webui →

Other CWE-326 (Inadequate Encryption Strength) vulnerabilities

CVE-2026-44523 — Critical (CVSS 10.0): Note Mark is an open-source note-taking application. Prior to 0.19.4, no minimum length or entropy is enforced on the…
CVE-2020-6966 — Critical (CVSS 10.0): In ApexPro Telemetry Server Versions 4.2 and prior, CARESCAPE Telemetry Server v4.2 & prior, Clinical Information…
CVE-2014-9199 — Critical (CVSS 10.0): The Clorius Controls Java web client before 01.00.0009g allows remote attackers to discover credentials by sniffing the…
CVE-2018-25272 — Critical (CVSS 9.8): ELBA5 5.8.0 contains a remote code execution vulnerability that allows attackers to obtain database credentials and…
CVE-2025-12478 — Critical (CVSS 9.8): Non-Compliant TLS Configuration.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5 .
CVE-2022-24116 — Critical (CVSS 9.8): Certain General Electric Renewable Energy products have inadequate encryption strength. This affects iNET and iNET II…

Browse all CWE-326 (Inadequate Encryption Strength) vulnerabilities →