How severe is CVE-2020-13873?

CVE-2020-13873 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-2020-13873 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13873?

CVE-2020-13873 affects Codologic Codoforum. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13873?

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-2020-13873 published?

CVE-2020-13873 was published on 2021-05-12 and last updated on 2026-06-17.

CVE-2020-13873

CVE-2020-13873 is a critical-severity vulnerability in Codologic Codoforum 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-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Codologic Codoforum
Published: 2021-05-12
Last modified: 2026-06-17

Description

A SQL Injection vulnerability in get_topic_info() in sys/CODOF/Forum/Topic.php in Codoforum before 4.9 allows remote attackers (pre-authentication) to bypass the admin page via a leaked password-reset token of the admin. (As an admin, an attacker can upload a PHP shell and execute remote code on the operating system.)

Frequently asked questions

What is CVE-2020-13873?: A SQL Injection vulnerability in get_topic_info() in sys/CODOF/Forum/Topic.php in Codoforum before 4.9 allows remote attackers (pre-authentication) to bypass the admin page via a leaked password-reset token of the admin. (As an admin, an attacker can upload a PHP shell and execute remote code on the operating system.)
How severe is CVE-2020-13873?: CVE-2020-13873 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-2020-13873 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13873?: CVE-2020-13873 affects Codologic Codoforum. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13873?: 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-2020-13873 published?: CVE-2020-13873 was published on 2021-05-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:codologic:codoforum:*:*:*:*:*:*:*:*

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