CVE-2021-27764
CVE-2021-27764 is a high-severity vulnerability in Hcltech Bigfix Webui with a CVSS 3.x base score of 7.4. 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-311.
Key facts
- Severity: High (CVSS 3.x base score 7.4)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (40th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-311
- Affected product: Hcltech Bigfix Webui
- Published:
- Last modified:
Description
Cookie without HTTPONLY flag set. NUMBER cookie(s) was set without Secure or HTTPOnly flags. The images show the cookie with the missing flag. (WebUI)
Frequently asked questions
- What is CVE-2021-27764?
- Cookie without HTTPONLY flag set. NUMBER cookie(s) was set without Secure or HTTPOnly flags. The images show the cookie with the missing flag. (WebUI)
- How severe is CVE-2021-27764?
- CVE-2021-27764 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-27764 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-27764?
- CVE-2021-27764 affects Hcltech Bigfix Webui. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-27764?
- 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-2021-27764 published?
- CVE-2021-27764 was published on 2022-05-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:hcltech:bigfix_webui:-:*:*:*:*:*:*:*
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