CVE-2018-21020
In very rare cases, a PHP type juggling vulnerability in centreonAuth.class.php in Centreon Web...
In very rare cases, a PHP type juggling vulnerability in centreonAuth.class.php in Centreon Web before 2.8.27 allows attackers to bypass authentication mechanisms in place.
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
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In very rare cases, a PHP type juggling vulnerability in centreonAuth.class.php in Centreon Web before 2.8.27 allows attackers to bypass authentication mechanisms in place.
- Record
CVE-2018-21020- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
In very rare cases, a PHP type juggling vulnerability in centreonAuth.class.php in Centreon Web before 2.8.27 allows attackers to bypass authentication mechanisms in place.
- Record
CVE-2018-21020- Updated
- 2026-11-02
EUVDEUVD-2018-13543 No score
In very rare cases, a PHP type juggling vulnerability in centreonAuth.class.php in Centreon Web before 2.8.27 allows attackers to bypass authentication mechanisms in place.
- Record
EUVD-2018-13543- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2mc3-3j9x-hm83
In very rare cases, a PHP type juggling vulnerability in centreonAuth.class.php in Centreon Web...
In very rare cases, a PHP type juggling vulnerability in centreonAuth.class.php in Centreon Web before 2.8.27 allows attackers to bypass authentication mechanisms in place.
- Record
GHSA-2mc3-3j9x-hm83- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-20
- 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-2018-21020 is a high vulnerability (CVSS 7.5) in Centreon Web, published October 8, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.98%, the 80th percentile. No source names a fixed version.