What is the CVSS score of CVE-2017-17871?

CVE-2017-17871 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.4%.

Is there a public PoC exploit available for CVE-2017-17871?

Yes, a public proof-of-concept exploit is available for CVE-2017-17871. Prioritise patching immediately. EPSS: 1.4%.

Jextn Question And Answer CVE-2017-17871

CRITICAL

SQL Injection (CWE-89)

2017-12-27 cve@mitre.org

SQLi Jextn Question And Answer

9.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 27, 2017 - 17:08 cve.org

CRITICAL 9.8

DescriptionCVE.org

The "JEXTN Question And Answer" extension 3.1.0 for Joomla! has SQL Injection via the an parameter in a view=tags action, or the ques-srch parameter.

AnalysisAI

The "JEXTN Question And Answer" extension 3.1.0 for Joomla!. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as SQL Injection (CWE-89), which allows attackers to execute arbitrary SQL commands against the database. The "JEXTN Question And Answer" extension 3.1.0 for Joomla! has SQL Injection via the an parameter in a view=tags action, or the ques-srch parameter. Affected products include: Jextn Jextn Question And Answer.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized queries/prepared statements. Never concatenate user input into SQL. Apply least-privilege database permissions.