CVE-2020-15906Tiki Vulnerability
tiki-login.php in Tiki before 21.2 sets the admin password to a blank value after 50 invalid login attempts.
Published Oct 22, 2020 · Updated Jul 8, 2026
Key Facts
Patch in the next maintenance window- CVE-2020-15906 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Tiki.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 27% probability of exploitation in the next 30 days.
- Fixed versions are available, including Tiki 21.2.
- Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
27%
Higher than 98.0% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
36/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
tiki-login.php in Tiki before 21.2 sets the admin password to a blank value after 50 invalid login attempts.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| TikiTiki | See advisory | 21.2 |
Patched Releases
Tiki
21.2
Timeline
Publicly disclosed
Oct 22, 2020
Last updated
Jul 8, 2026
Weakness Type
- CWE-307 Improper Restriction of Excessive Authentication Attempts
FAQ
Common Questions.
tiki-login.php in Tiki before 21.2 sets the admin password to a blank value after 50 invalid login attempts.
Affected: Tiki. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Tiki 21.2.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
Is CVE-2020-15906 On Your Attack Surface?
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