CVE-2020-26677
CVE-2020-26677 is a high-severity vulnerability in Vfairs with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 1% (60th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Vfairs
- Published:
- Last modified:
Description
Any user logged in to a vFairs 3.3 virtual conference or event can perform SQL injection with a malicious query to the API.
Frequently asked questions
- What is CVE-2020-26677?
- Any user logged in to a vFairs 3.3 virtual conference or event can perform SQL injection with a malicious query to the API.
- How severe is CVE-2020-26677?
- CVE-2020-26677 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-26677 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-26677?
- CVE-2020-26677 affects Vfairs. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-26677?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-26677 published?
- CVE-2020-26677 was published on 2021-05-26 and last updated on 2026-07-09.
References
- https://api.vfairs.com/v1/users/
- https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-management-platforms-could-leave-msps-open-to-attack
Affected products (1)
- cpe:2.3:a:vfairs:vfairs:3.3:*:*:*:*:*:*:*
More vulnerabilities in Vfairs
- CVE-2020-26678 — High (CVSS 8.8): vFairs 3.3 is affected by Remote Code Execution. Any user logged in to a vFairs virtual conference or event can abuse…
- CVE-2020-26680 — Medium (CVSS 5.4): In vFairs 3.3, any user logged in to a vFairs virtual conference or event can modify any other users profile…
- CVE-2020-26679 — Medium (CVSS 4.3): vFairs 3.3 is affected by Insecure Permissions. Any user logged in to a vFairs virtual conference or event can modify…
Other CWE-89 (SQL Injection) vulnerabilities
- CVE-2026-54350 — Critical (CVSS 10.0): Budibase is an open-source low-code platform. Prior to 3.39.12, an unauthenticated visitor of any published Budibase…
- CVE-2026-8054 — Critical (CVSS 10.0): Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') in the Publish Audit API endpoints…
- CVE-2026-42287 — Critical (CVSS 10.0): Emlog is an open source website building system. Prior to version 2.6.11, direct SQL injection in article creation and…
- CVE-2026-3325 — Critical (CVSS 10.0): SQL injection (SQLi) in MegaCMS v12.0.0, specifically in the “id_territorio” parameter of the…
- CVE-2025-10878 — Critical (CVSS 10.0): A SQL injection vulnerability exists in the login functionality of Fikir Odalari AdminPando 1.0.1 before 2026-01-26.…
- CVE-2025-57792 — Critical (CVSS 10.0): Explorance Blue versions prior to 8.14.9 contain a SQL injection vulnerability caused by insufficient validation of…