How severe is CVE-2020-20797?

CVE-2020-20797 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-2020-20797 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-20797?

CVE-2020-20797 affects Flamecms Project Flamecms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-20797?

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-2020-20797 published?

CVE-2020-20797 was published on 2021-09-30 and last updated on 2026-06-17.

CVE-2020-20797

CVE-2020-20797 is a critical-severity vulnerability in Flamecms Project Flamecms 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: 7.5
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Flamecms Project Flamecms
Published: 2021-09-30
Last modified: 2026-06-17

Description

FlameCMS 3.3.5 contains a time-based blind SQL injection vulnerability in /account/register.php.

Frequently asked questions

What is CVE-2020-20797?: FlameCMS 3.3.5 contains a time-based blind SQL injection vulnerability in /account/register.php.
How severe is CVE-2020-20797?: CVE-2020-20797 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-2020-20797 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-20797?: CVE-2020-20797 affects Flamecms Project Flamecms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-20797?: 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-2020-20797 published?: CVE-2020-20797 was published on 2021-09-30 and last updated on 2026-06-17.

References

https://github.com/FlameNET/FlameCMS/issues/26

Affected products (1)

cpe:2.3:a:flamecms_project:flamecms:3.3.5:*:*:*:*:*:*:*

More vulnerabilities in Flamecms Project Flamecms

CVE-2020-20796 — Critical (CVSS 9.8): FlameCMS 3.3.5 contains a SQL injection vulnerability in /master/article.php via the "Id" parameter.
CVE-2019-16309 — Critical (CVSS 9.8): FlameCMS 3.3.5 has SQL injection in account/login.php via accountName.

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