How severe is CVE-2021-27783?

CVE-2021-27783 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2021-27783 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-2021-27783?

CVE-2021-27783 primarily affects Hcltech Bigfix Mobile. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-27783?

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

When was CVE-2021-27783 published?

CVE-2021-27783 was published on 2022-05-25 and last updated on 2026-06-17.

CVE-2021-27783

CVE-2021-27783 is a medium-severity vulnerability in Hcltech Bigfix Mobile with a CVSS 3.x base score of 6.8. 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-311.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 4.0
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-311
Affected product: Hcltech Bigfix Mobile
Published: 2022-05-25
Last modified: 2026-06-17

Description

User generated PPKG file for Bulk Enroll may have unencrypted sensitive information exposed.

Frequently asked questions

What is CVE-2021-27783?: User generated PPKG file for Bulk Enroll may have unencrypted sensitive information exposed.
How severe is CVE-2021-27783?: CVE-2021-27783 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2021-27783 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-2021-27783?: CVE-2021-27783 primarily affects Hcltech Bigfix Mobile. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-27783?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-27783 published?: CVE-2021-27783 was published on 2022-05-25 and last updated on 2026-06-17.

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0098586

Affected products (4)

cpe:2.3:a:hcltech:bigfix_mobile:2.0:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_mobile:2.1:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_modern_client_management:2.0:*:*:*:*:*:*:*
cpe:2.3:a:hcltech:bigfix_modern_client_management:2.1:*:*:*:*:*:*:*

More vulnerabilities in Hcltech Bigfix Mobile

CVE-2023-28014 — Medium (CVSS 6.6): HCL BigFix Mobile is vulnerable to a cross-site scripting attack. An authenticated attacker could inject malicious…
CVE-2021-27781 — Medium (CVSS 6.6): The Master operator may be able to embed script tag in HTML with alert pop-up display cookie.
CVE-2025-0277 — Medium (CVSS 6.5): HCL BigFix Mobile 3.3 and earlier are vulnerable to certain insecure directives within the Content Security Policy…
CVE-2025-0276 — Medium (CVSS 6.5): HCL BigFix Modern Client Management (MCM) 3.3 and earlier are vulnerable to certain insecure directives within the…
CVE-2023-28012 — Medium (CVSS 5.4): HCL BigFix Mobile is vulnerable to a command injection attack. An authenticated attacker could run arbitrary shell…
CVE-2021-27782 — Medium (CVSS 5.4): HCL BigFix Mobile / Modern Client Management Admin and Config UI passwords can be brute-forced. User should be locked…

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