How severe is CVE-2021-27761?

CVE-2021-27761 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-27761 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27761?

CVE-2021-27761 affects Hcltech Bigfix Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-27761?

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

When was CVE-2021-27761 published?

CVE-2021-27761 was published on 2022-05-06 and last updated on 2026-06-17.

CVE-2021-27761

CVE-2021-27761 is a medium-severity vulnerability in Hcltech Bigfix Platform with a CVSS 3.x base score of 4.8. 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 4.8)
CVSS v2: 5.0
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-326
Affected product: Hcltech Bigfix Platform
Published: 2022-05-06
Last modified: 2026-06-17

Description

Weak web transport security (Weak TLS): An attacker may be able to decrypt the data using attacks

Frequently asked questions

What is CVE-2021-27761?: Weak web transport security (Weak TLS): An attacker may be able to decrypt the data using attacks
How severe is CVE-2021-27761?: CVE-2021-27761 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-27761 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27761?: CVE-2021-27761 affects Hcltech Bigfix Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-27761?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-27761 published?: CVE-2021-27761 was published on 2022-05-06 and last updated on 2026-06-17.

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0098116

Affected products (1)

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

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-2023-37520 — High (CVSS 7.7): Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability identified in BigFix Server version 9.5.12.68,…
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…

All CVEs affecting Hcltech Bigfix Platform →

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 →