CVE-2018-11554 — The forgotten-password feature in index

The forgotten-password feature in index.php/member/reset/reset_email.html in YzmCMS v3.2 through v3.7 has a Response Discrepancy Information Exposure issue and an unexpectedly long lifetime for a verification code, which makes it easier for remote attackers to hijack accounts via

01What is this vulnerability?

The forgotten-password feature in index.php/member/reset/reset_email.html in YzmCMS v3.2 through v3.7 has a Response Discrepancy Information Exposure issue and an unexpectedly long lifetime for a verification code, which makes it easier for remote attackers to hijack accounts via a brute-force approach.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

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: 2018-06-05T11:00:00.000Z
• Last modified: 2024-08-05T08:10:14.630Z

09References

• github.com — https://github.com/littleheary/-YzmCMS-User-Traversal-Vulnerability/blob/master/…