How severe is CVE-2018-11554?

CVE-2018-11554 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-11554 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11554?

CVE-2018-11554 affects Yzmcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-11554?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-11554 published?

CVE-2018-11554 was published on 2018-06-05 and last updated on 2026-06-17.

CVE-2018-11554

CVE-2018-11554 is a critical-severity vulnerability in Yzmcms with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Yzmcms
Published: 2018-06-05
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2018-11554?: 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.
How severe is CVE-2018-11554?: CVE-2018-11554 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-11554 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11554?: CVE-2018-11554 affects Yzmcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-11554?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-11554 published?: CVE-2018-11554 was published on 2018-06-05 and last updated on 2026-06-17.

References

https://github.com/littleheary/-YzmCMS-User-Traversal-Vulnerability/blob/master/README.md

Affected products (1)

cpe:2.3:a:yzmcms:yzmcms:*:*:*:*:*:*:*:*

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