How severe is CVE-2021-25839?

CVE-2021-25839 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-25839 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-25839?

CVE-2021-25839 affects Minthcm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-25839?

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

When was CVE-2021-25839 published?

CVE-2021-25839 was published on 2021-04-26 and last updated on 2026-06-17.

CVE-2021-25839

CVE-2021-25839 is a critical-severity vulnerability in Minthcm with a CVSS 3.x base score of 9.8. 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-521.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-521
Affected product: Minthcm
Published: 2021-04-26
Last modified: 2026-06-17

Description

A weak password requirement vulnerability exists in the Create New User function of MintHCM RELEASE 3.0.8, which could lead an attacker to easier password brute-forcing.

Frequently asked questions

What is CVE-2021-25839?: A weak password requirement vulnerability exists in the Create New User function of MintHCM RELEASE 3.0.8, which could lead an attacker to easier password brute-forcing.
How severe is CVE-2021-25839?: CVE-2021-25839 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-25839 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25839?: CVE-2021-25839 affects Minthcm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25839?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-25839 published?: CVE-2021-25839 was published on 2021-04-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:minthcm:minthcm:3.0.8:*:*:*:*:*:*:*

More vulnerabilities in Minthcm

CVE-2024-36656 — Medium (CVSS 6.1): In MintHCM 4.0.3, a registered user can execute arbitrary JavaScript code and achieve a reflected Cross-site Scripting…
CVE-2021-25838 — Medium (CVSS 6.1): The Import function in MintHCM RELEASE 3.0.8 allows an attacker to execute a cross-site scripting (XSS) payload in…

All CVEs affecting Minthcm →

Other CWE-521 (Weak Password Requirements) vulnerabilities

CVE-2026-25715 — Critical (CVSS 9.8): The web management interface of the device allows the administrator username and password to be set to blank values.…
CVE-2025-53963 — Critical (CVSS 9.8): An issue was discovered on Thermo Fisher Ion Torrent OneTouch 2 INS1005527 devices. They run an SSH server accessible…
CVE-2025-63747 — Critical (CVSS 9.8): QaTraq 6.9.2 ships with administrative account credentials which are enabled in default installations and permit…
CVE-2025-12552 — Critical (CVSS 9.8): Insufficient Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
CVE-2025-11200 — Critical (CVSS 9.8): MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to…
CVE-2025-12364 — Critical (CVSS 9.8): Weak Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.

Browse all CWE-521 (Weak Password Requirements) vulnerabilities →