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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.016 (74.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000
Affected products
- Sapphireims — versions 5.0
Weakness classification (CWE)
References
- vuln.shellcoder.party/tags/sapphireims/ (Exploit, Third Party Advisory)
- vuln.shellcoder.party/2020/09/19/cve-2020-25566-sapphireims-unauthenticated-acc… (Exploit, Third Party Advisory)
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.