How severe is CVE-2018-20424?

CVE-2018-20424 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-20424 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20424?

CVE-2018-20424 affects Comsenz Discuzx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20424?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-20424 published?

CVE-2018-20424 was published on 2018-12-24 and last updated on 2026-06-17.

CVE-2018-20424

CVE-2018-20424 is a medium-severity vulnerability in Comsenz Discuzx with a CVSS 3.x base score of 5.9. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 5.8
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Comsenz Discuzx
Published: 2018-12-24
Last modified: 2026-06-17

Description

Discuz! DiscuzX 3.4, when WeChat login is enabled, allows remote attackers to delete the common_member_wechatmp data structure via an ac=unbindmp request to plugin.php.

Frequently asked questions

What is CVE-2018-20424?: Discuz! DiscuzX 3.4, when WeChat login is enabled, allows remote attackers to delete the common_member_wechatmp data structure via an ac=unbindmp request to plugin.php.
How severe is CVE-2018-20424?: CVE-2018-20424 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-20424 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20424?: CVE-2018-20424 affects Comsenz Discuzx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20424?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-20424 published?: CVE-2018-20424 was published on 2018-12-24 and last updated on 2026-06-17.

References

https://gitee.com/ComsenzDiscuz/DiscuzX/issues/IPRUI

Affected products (1)

cpe:2.3:a:comsenz:discuzx:x3.4:*:*:*:*:*:*:*

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