How severe is CVE-2018-12420?

CVE-2018-12420 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-12420 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12420?

CVE-2018-12420 affects Icehrm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12420?

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-2018-12420 published?

CVE-2018-12420 was published on 2018-06-14 and last updated on 2026-06-17.

CVE-2018-12420

CVE-2018-12420 is a high-severity vulnerability in Icehrm with a CVSS 3.x base score of 7.5. 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-327.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-327
Affected product: Icehrm
Published: 2018-06-14
Last modified: 2026-06-17

Description

IceHrm before 23.0.1.OS has a risky usage of a hashed password in a request.

Frequently asked questions

What is CVE-2018-12420?: IceHrm before 23.0.1.OS has a risky usage of a hashed password in a request.
How severe is CVE-2018-12420?: CVE-2018-12420 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-12420 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12420?: CVE-2018-12420 affects Icehrm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12420?: 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-2018-12420 published?: CVE-2018-12420 was published on 2018-06-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:icehrm:icehrm:*:*:*:*:*:*:*:*

More vulnerabilities in Icehrm

CVE-2021-38823 — Critical (CVSS 9.8): The IceHrm 30.0.0 OS website was found vulnerable to Session Management Issue. A signout from an admin account does not…
CVE-2021-34244 — High (CVSS 8.8): A cross site request forgery (CSRF) vulnerability was discovered in Ice Hrm 29.0.0.OS which allows attackers to create…
CVE-2020-9270 — High (CVSS 8.8): ICE Hrm 26.2.0 is vulnerable to CSRF that leads to password reset via service.php.
CVE-2020-6114 — High (CVSS 7.2): An exploitable SQL injection vulnerability exists in the Admin Reports functionality of Glacies IceHRM v26.6.0.OS…
CVE-2022-26588 — Medium (CVSS 6.5): A Cross-Site Request Forgery (CSRF) in IceHrm 31.0.0.OS allows attackers to delete arbitrary users or achieve account…
CVE-2020-9271 — Medium (CVSS 6.5): ICE Hrm 26.2.0 is vulnerable to CSRF that leads to user creation via service.php.

All CVEs affecting Icehrm →

Other CWE-327 (Use of a Broken or Risky Cryptographic Algorithm) vulnerabilities

CVE-2026-50086 — Critical (CVSS 10.0): The Aqara IAM/SSO gateway (gw-builder.aqara.com) exposes bidirectional AES round-trups against the platform's signing…
CVE-2026-21718 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in Copeland XWEB Pro version 1.12.1 and prior, enabling any attackers to…
CVE-2025-54426 — Critical (CVSS 9.9): Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. In versions prior to commit…
CVE-2024-51478 — Critical (CVSS 9.9): YesWiki is a wiki system written in PHP. Prior to 4.4.5, the use of a weak cryptographic algorithm and a hard-coded…
CVE-2026-28252 — Critical (CVSS 9.8): A Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge…
CVE-2025-13476 — Critical (CVSS 9.8): Rakuten Viber Cloak mode in Android v25.7.2.0g and Windows v25.6.0.0–v25.8.1.0 uses a static and predictable TLS…

Browse all CWE-327 (Use of a Broken or Risky Cryptographic Algorithm) vulnerabilities →