How severe is CVE-2023-37520?

CVE-2023-37520 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-37520 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-2023-37520?

CVE-2023-37520 primarily affects Hcltech Bigfix Platform. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-37520?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-37520 published?

CVE-2023-37520 was published on 2023-12-21 and last updated on 2026-06-17.

CVE-2023-37520

CVE-2023-37520 is a high-severity vulnerability in Hcltech Bigfix Platform with a CVSS 3.x base score of 7.7. 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: High (CVSS 3.x base score 7.7)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Hcltech Bigfix Platform
Published: 2023-12-21
Last modified: 2026-06-17

Description

Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability identified in BigFix Server version 9.5.12.68, allowing for potential data exfiltration. This XSS vulnerability is in the Gather Status Report, which is served by the BigFix Relay.

Frequently asked questions

What is CVE-2023-37520?: Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability identified in BigFix Server version 9.5.12.68, allowing for potential data exfiltration. This XSS vulnerability is in the Gather Status Report, which is served by the BigFix Relay.
How severe is CVE-2023-37520?: CVE-2023-37520 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-37520 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-2023-37520?: CVE-2023-37520 primarily affects Hcltech Bigfix Platform. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-37520?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-37520 published?: CVE-2023-37520 was published on 2023-12-21 and last updated on 2026-06-17.

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0109376

Affected products (2)

cpe:2.3:a:hcltech:bigfix_platform:*:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_platform:11.0.0:*:*:*:*:*:*:*

More vulnerabilities in Hcltech Bigfix Platform

CVE-2026-21765 — High (CVSS 8.8): HCL BigFix Platform is affected by insecure permissions on private cryptographic keys. The private cryptographic keys…
CVE-2023-37536 — High (CVSS 8.2): An integer overflow in xerces-c++ 3.2.3 in BigFix Platform allows remote attackers to cause out-of-bound access via…
CVE-2024-42193 — High (CVSS 8.1): HCL BigFix Web Reports' service communicates over HTTPS but exhibits a weakness in its handling of SSL certificate…
CVE-2023-37519 — High (CVSS 7.7): Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability. This XSS vulnerability is in the Download Status…
CVE-2020-14254 — High (CVSS 7.5): TLS-RSA cipher suites are not disabled in HCL BigFix Inventory up to v10.0.2. If TLS 2.0 and secure ciphers are not…
CVE-2022-42453 — Medium (CVSS 6.9): There are insufficient warnings when a Fixlet is imported by a user. The warning message currently assumes the owner of…

All CVEs affecting Hcltech Bigfix Platform →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →