CVE-2016-2555
SQL injection vulnerability in include/lib/mysql_connect.inc.php in ATutor 2.2.1 allows remote...
SQL injection vulnerability in include/lib/mysql_connect.inc.php in ATutor 2.2.1 allows remote attackers to execute arbitrary SQL commands via the searchFriends function to friends.inc.php.
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
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
SQL injection vulnerability in include/lib/mysql_connect.inc.php in ATutor 2.2.1 allows remote attackers to execute arbitrary SQL commands via the searchFriends function to friends.inc.php.
- Record
CVE-2016-2555- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-89
- Updated
- 2026-11-02
CVE List No score
SQL injection vulnerability in include/lib/mysql_connect.inc.php in ATutor 2.2.1 allows remote attackers to execute arbitrary SQL commands via the searchFriends function to friends.inc.php.
- Record
CVE-2016-2555- Updated
- 2026-11-02
EUVDEUVD-2016-3631 No score
SQL injection vulnerability in include/lib/mysql_connect.inc.php in ATutor 2.2.1 allows remote attackers to execute arbitrary SQL commands via the searchFriends function to friends.inc.php.
- Record
EUVD-2016-3631- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7wpc-7mmf-9257
SQL injection vulnerability in include/lib/mysql_connect.inc.php in ATutor 2.2.1 allows remote...
SQL injection vulnerability in include/lib/mysql_connect.inc.php in ATutor 2.2.1 allows remote attackers to execute arbitrary SQL commands via the searchFriends function to friends.inc.php.
- Record
GHSA-7wpc-7mmf-9257- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-89
- Updated
- 2026-11-02
OSV
SQL injection vulnerability in include/lib/mysql_connect.inc.php in ATutor 2.2.1 allows remote attackers to execute arbitrary SQL commands via the searchFriends function to friends.inc.php.
- Record
CVE-2016-2555- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | ATutor 2.2.1 - SQL Injection / Remote Code Execution (Metasploit) | 2016-03-01 |
| Metasploit | ATutor 2.2.1 Directory Traversal / Remote Code Execution | 2016-03-01 |
| Metasploit | ATutor 2.2.1 SQL Injection / Remote Code Execution | 2016-03-01 |
| PoC in GitHub | HussainFathy/CVE-2016-2555 | 2025-01-26 |
| PoC in GitHub | maximilianmarx/atutor-blind-sqli | 2021-03-20 |
| PoC in GitHub | shadofren/CVE-2016-2555 | 2020-08-09 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-2555 is a critical vulnerability (CVSS 9.8) in Atutor, published April 13, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 79.8%, the 99th percentile. No source names a fixed version.
References
github.com/atutor/ATutor/commit/945a9dca01def8536516088da30fe6a4b7e9fa85
exploit-db.com/exploits/39514
sourceincite.com/research/src-2016-08
rapid7.com/db/modules/exploit/multi/http/atutor_sqli
nvd.nist.gov/vuln/detail/CVE-2016-2555