CVE-2021-21495
CVE-2021-21495 is a high-severity vulnerability in Mk-auth with a CVSS 3.x base score of 8.8. 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-352.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-352
- Affected product: Mk-auth
- Published:
- Last modified:
Description
MK-AUTH through 19.01 K4.9 allows CSRF for password changes via the central/executar_central.php?acao=altsenha_princ URI.
Frequently asked questions
- What is CVE-2021-21495?
- MK-AUTH through 19.01 K4.9 allows CSRF for password changes via the central/executar_central.php?acao=altsenha_princ URI.
- How severe is CVE-2021-21495?
- CVE-2021-21495 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-21495 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-21495?
- CVE-2021-21495 affects Mk-auth. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-21495?
- 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-2021-21495 published?
- CVE-2021-21495 was published on 2021-01-04 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:mk-auth:mk-auth:*:*:*:*:*:*:*:*
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-2020-14070 — Critical (CVSS 9.8): An issue was discovered in MK-AUTH 19.01. There is authentication bypass in the web login functionality because…
- 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-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…
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