CVE-2017-7991 — Exponent CMS 2

Exponent CMS 2.4.1 and earlier has SQL injection via a base64 serialized API key (apikey parameter) in the api function of framework/modules/eaas/controllers/eaasController.php.

01What is this vulnerability?

Exponent CMS 2.4.1 and earlier has SQL injection via a base64 serialized API key (apikey parameter) in the api function of framework/modules/eaas/controllers/eaasController.php.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2017-04-22T01:59:02.067
• Last modified: 2026-05-13T00:24:29.033

09References

• seclists.org — http://seclists.org/fulldisclosure/2017/Apr/78
• gist.github.com — https://gist.github.com/404notf0und/ab59234d71fbf35b4926ffd646324f29
• github.com — https://github.com/exponentcms/exponent-cms/commit/67a9c2f0229de120431f3eecb0f50…
• packetstormsecurity.com — https://packetstormsecurity.com/files/142258/Exponent-CMS-2.4.1-SQL-Injection.ht…
• seclists.org — http://seclists.org/fulldisclosure/2017/Apr/78
• gist.github.com — https://gist.github.com/404notf0und/ab59234d71fbf35b4926ffd646324f29
• github.com — https://github.com/exponentcms/exponent-cms/commit/67a9c2f0229de120431f3eecb0f50…
• packetstormsecurity.com — https://packetstormsecurity.com/files/142258/Exponent-CMS-2.4.1-SQL-Injection.ht…