How severe is CVE-2020-14070?

CVE-2020-14070 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-2020-14070 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14070?

CVE-2020-14070 affects Mk-auth. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14070?

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-2020-14070 published?

CVE-2020-14070 was published on 2020-06-29 and last updated on 2026-06-17.

CVE-2020-14070

CVE-2020-14070 is a critical-severity vulnerability in Mk-auth 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Mk-auth
Published: 2020-06-29
Last modified: 2026-06-17

Description

An issue was discovered in MK-AUTH 19.01. There is authentication bypass in the web login functionality because guessable credentials to admin/executar_login.php result in admin access.

Frequently asked questions

What is CVE-2020-14070?: An issue was discovered in MK-AUTH 19.01. There is authentication bypass in the web login functionality because guessable credentials to admin/executar_login.php result in admin access.
How severe is CVE-2020-14070?: CVE-2020-14070 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-2020-14070 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14070?: CVE-2020-14070 affects Mk-auth. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14070?: 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-2020-14070 published?: CVE-2020-14070 was published on 2020-06-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mk-auth:mk-auth:19.01:*:*:*:*:*:*:*

More vulnerabilities in Mk-auth

CVE-2020-14072 — Critical (CVSS 9.8): An issue was discovered in MK-AUTH 19.01. It allows command execution as root via shell metacharacters to /auth admin…
CVE-2020-14068 — Critical (CVSS 9.8): An issue was discovered in MK-AUTH 19.01. The web login functionality allows an attacker to bypass authentication and…
CVE-2023-27246 — High (CVSS 8.8): An arbitrary file upload vulnerability in the Virtual Disk of MK-Auth 23.01K4.9 allows attackers to execute arbitrary…
CVE-2021-21495 — High (CVSS 8.8): MK-AUTH through 19.01 K4.9 allows CSRF for password changes via the central/executar_central.php?acao=altsenha_princ…
CVE-2020-14069 — Medium (CVSS 6.8): An issue was discovered in MK-AUTH 19.01. There are SQL injection issues in mkt/ PHP scripts, as demonstrated by…
CVE-2020-14071 — Medium (CVSS 6.1): An issue was discovered in MK-AUTH 19.01. XSS vulnerabilities in admin and client scripts allow an attacker to execute…

All CVEs affecting Mk-auth →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →