Auth bypass in 1crm
CVE-2020-15958
An issue was discovered in 1CRM System through 8.6.7. An insecure direct object reference to internally stored files allows a remote attacker to access various sensitive information via an unauthenticated request with a predictable URL.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.032 (87.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000
Affected products
Weakness classification (CWE)
References
- 1crm.com/documentation/ (Product)
- seclists.org/fulldisclosure/2020/Sep/31 (Exploit, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/159193/1CRM-8.6.7-Insecure-Direct-Object-Referenc… (Exploit, VDB Entry, Third Party Advisory)
- aramido.de/blog/sicherheitshinweise/sicherheitswarnung-1crm-schutzt-daten-unzur… (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-15958?
- CVE-2020-15958 is a high-severity vulnerability in 1crm, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.6/10. Published 2020-09-18.
- How severe is CVE-2020-15958?
- High severity. CVSS v3 base score is 8.6 out of 10.