How severe is CVE-2020-8088?

CVE-2020-8088 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-2020-8088 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8088?

CVE-2020-8088 affects Usebb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8088?

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-2020-8088 published?

CVE-2020-8088 was published on 2020-01-27 and last updated on 2026-06-17.

CVE-2020-8088

CVE-2020-8088 is a critical-severity vulnerability in Usebb 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Usebb
Published: 2020-01-27
Last modified: 2026-06-17

Description

panel_login.php in UseBB 1.0.12 allows type juggling for login bypass because != is used instead of !== for password hashes, which mishandles hashes that begin with 0e followed by exclusively numerical characters.

Frequently asked questions

What is CVE-2020-8088?: panel_login.php in UseBB 1.0.12 allows type juggling for login bypass because != is used instead of !== for password hashes, which mishandles hashes that begin with 0e followed by exclusively numerical characters.
How severe is CVE-2020-8088?: CVE-2020-8088 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-2020-8088 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8088?: CVE-2020-8088 affects Usebb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8088?: 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-2020-8088 published?: CVE-2020-8088 was published on 2020-01-27 and last updated on 2026-06-17.

References

https://xavibel.com/2020/01/22/usebb-forum-php-type-juggling-vulnerability/

Affected products (1)

cpe:2.3:a:usebb:usebb:1.0.12:*:*:*:*:*:*:*

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