CVE-2020-15958
An issue was discovered in 1CRM System through 8.6.7. An insecure direct object reference to...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-15958- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-15958- Updated
- 2026-11-02
EUVDEUVD-2020-7929 No score
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.
- Record
EUVD-2020-7929- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fvm3-gwpp-ccgq No score
An issue was discovered in 1CRM System through 8.6.7. An insecure direct object reference to...
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.
- Record
GHSA-fvm3-gwpp-ccgq- Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-15958 is a high vulnerability (CVSS 8.6) in 1crm, published September 18, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.22%, the 88th percentile. No source names a fixed version.
References
1crm.com/documentation
seclists.org/fulldisclosure/2020/Sep/31
packetstormsecurity.com/files/159193/1CRM-8.6.7-Insecure-Direct-Object-Reference.html
aramido.de/blog/sicherheitshinweise/sicherheitswarnung-1crm-schutzt-daten-unzureichend-cve-2020-15958
nvd.nist.gov/vuln/detail/CVE-2020-15958
github.com/advisories/GHSA-fvm3-gwpp-ccgq