What is CVE-2020-25566?

CVE-2020-25566 is a critical-severity vulnerability in Sapphireims, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2021-08-11.

How severe is CVE-2020-25566?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Sapphireims

CVE-2020-25566

In SapphireIMS 5.0, it is possible to take over an account by sending a request to the Save_Password form as shown in POC. Notice that we do not require a JSESSIONID in this request and can reset any user’s password by changing the username to that user and password to base64(desired password).

Vulnerability class: Broken Authentication

EPSS: 0.016 (72.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Sapphireims — versions 5.0
N/a — versions n/a

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

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

Frequently asked questions

What is CVE-2020-25566?: CVE-2020-25566 is a critical-severity vulnerability in Sapphireims, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2021-08-11.
How severe is CVE-2020-25566?: Critical severity. CVSS v3 base score is 9.8 out of 10.