What is CVE-2021-21494?

CVE-2021-21494 is a medium-severity vulnerability in Mk-Auth, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 4.8/10. Published 2021-01-04.

How severe is CVE-2021-21494?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Vulnerability in Mk-Auth

CVE-2021-21494

MK-AUTH through 19.01 K4.9 allows XSS via the admin/logs_ajax.php tipo parameter. An attacker can leverage this to read the centralmka2 (session token) cookie, which is not set to HTTPOnly.

EPSS: 0.005 (40.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Mk-auth
N/a — versions n/a

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-21494?: CVE-2021-21494 is a medium-severity vulnerability in Mk-Auth, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 4.8/10. Published 2021-01-04.
How severe is CVE-2021-21494?: Medium severity. CVSS v3 base score is 4.8 out of 10.