CVE-2020-27408
OpenSIS Community Edition through 7.6 is affected by incorrect access controls for the file...
OpenSIS Community Edition through 7.6 is affected by incorrect access controls for the file ResetUserInfo.php that allow an unauthenticated attacker to change the password of arbitrary users.
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
7.5
OpenSIS Community Edition through 7.6 is affected by incorrect access controls for the file ResetUserInfo.php that allow an unauthenticated attacker to change the password of arbitrary users.
- Record
CVE-2020-27408- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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-287, CWE-640
- Updated
- 2026-11-02
CVE List No score
OpenSIS Community Edition through 7.6 is affected by incorrect access controls for the file ResetUserInfo.php that allow an unauthenticated attacker to change the password of arbitrary users.
- Record
CVE-2020-27408- Updated
- 2026-11-02
EUVDEUVD-2020-19919 No score
OpenSIS Community Edition through 7.6 is affected by incorrect access controls for the file ResetUserInfo.php that allow an unauthenticated attacker to change the password of arbitrary users.
- Record
EUVD-2020-19919- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rg77-jjpv-33p3 No score
OpenSIS Community Edition through 7.6 is affected by incorrect access controls for the file...
OpenSIS Community Edition through 7.6 is affected by incorrect access controls for the file ResetUserInfo.php that allow an unauthenticated attacker to change the password of arbitrary users.
- Record
GHSA-rg77-jjpv-33p3- Weakness
- CWE-326
- Updated
- 2026-11-02
OSV
7.5
OpenSIS Community Edition through 7.6 is affected by incorrect access controls for the file ResetUserInfo.php that allow an unauthenticated attacker to change the password of arbitrary users.
- Record
CVE-2020-27408- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-27408 is a high vulnerability (CVSS 7.5) in Os4ed Opensis, published December 4, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.67%, the 77th percentile. No source names a fixed version.