How severe is CVE-2021-27759?

CVE-2021-27759 has a CVSS 3.x base score of 2.3, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-27759 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27759?

CVE-2021-27759 affects Hcltech Bigfix Inventory. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-27759?

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

When was CVE-2021-27759 published?

CVE-2021-27759 was published on 2022-05-06 and last updated on 2026-06-17.

CVE-2021-27759

CVE-2021-27759 is a low-severity vulnerability in Hcltech Bigfix Inventory with a CVSS 3.x base score of 2.3. 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-345.

Key facts

Severity: Low (CVSS 3.x base score 2.3)
CVSS v2: 4.3
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-345
Affected product: Hcltech Bigfix Inventory
Published: 2022-05-06
Last modified: 2026-06-17

Description

This vulnerability arises because the application allows the user to perform some sensitive action without verifying that the request was sent intentionally. An attacker can cause a victim's browser to emit an HTTP request to an arbitrary URL in the application.

Frequently asked questions

What is CVE-2021-27759?: This vulnerability arises because the application allows the user to perform some sensitive action without verifying that the request was sent intentionally. An attacker can cause a victim's browser to emit an HTTP request to an arbitrary URL in the application.
How severe is CVE-2021-27759?: CVE-2021-27759 has a CVSS 3.x base score of 2.3, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-27759 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27759?: CVE-2021-27759 affects Hcltech Bigfix Inventory. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-27759?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-27759 published?: CVE-2021-27759 was published on 2022-05-06 and last updated on 2026-06-17.

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0098006

Affected products (1)

cpe:2.3:a:hcltech:bigfix_inventory:*:*:*:*:*:*:*:*

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