Security readout for executives and security teams
Plain-English summary
Itech Classifieds Script 7.27 has a SQL injection issue in subpage.php. A logged-in remote attacker could potentially read, alter, or disrupt database data. The sources say exploit details are public, but they do not show confirmed active exploitation or a named vendor patch.
Executive priority
Treat as a focused remediation item, not a broad emergency. Prioritize quickly if the affected product is internet-facing, business-critical, or unsupported.
Technical view
CVE-2017-20136 is CWE-89 SQL injection affecting the scat argument in /subpage.php for Itech Classifieds Script 7.27. CVSS 3.1 is 6.3 with network access, low complexity, low privileges, no user interaction, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to organizations still running Itech Classifieds Script 7.27, especially internet-facing classified sites with authenticated access to subpage.php. The bundle provides no CPEs or broader version range.
Exploitation context
The vulnerability can be launched remotely and public exploit information exists. CISA KEV is false in the bundle, so active exploitation should not be assumed from these sources alone.
Researcher notes
Evidence identifies the vulnerable file and parameter, but the affected function is unspecified. No patch, workaround, or active exploitation evidence is included beyond public exploit disclosure.
Mitigation direction
- Identify and prioritize any Itech Classifieds Script 7.27 instances.
- Check vendor or maintainer guidance for an update, migration, or supported fix.
- Restrict access to affected authenticated areas until remediation is confirmed.
- Retire unsupported exposed instances if no vendor-supported fix is available.
- Review custom code for parameterized database queries around subpage.php.
Validation and detection
- Confirm whether any production host runs Itech Classifieds Script 7.27.
- Verify whether /subpage.php is reachable from untrusted networks.
- Review access logs for unusual requests involving the scat parameter.
- Review application logs for SQL errors tied to subpage.php.
- Confirm compensating controls without using live exploit payloads.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-20136 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L2.83.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://vuldb.com/?id.96282CVE reference · x_refsource_MISC
- https://www.exploit-db.com/exploits/41189/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.