How severe is CVE-2023-27372?

CVE-2023-27372 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-2023-27372 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 100% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27372?

CVE-2023-27372 primarily affects Spip. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-27372?

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-2023-27372 published?

CVE-2023-27372 was published on 2023-02-28 and last updated on 2026-06-17.

CVE-2023-27372

CVE-2023-27372 is a critical-severity vulnerability in Spip with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 100% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 100% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Spip
Published: 2023-02-28
Last modified: 2026-06-17

Description

SPIP before 4.2.1 allows Remote Code Execution via form values in the public area because serialization is mishandled. The fixed versions are 3.2.18, 4.0.10, 4.1.8, and 4.2.1.

Frequently asked questions

What is CVE-2023-27372?: SPIP before 4.2.1 allows Remote Code Execution via form values in the public area because serialization is mishandled. The fixed versions are 3.2.18, 4.0.10, 4.1.8, and 4.2.1.
How severe is CVE-2023-27372?: CVE-2023-27372 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-2023-27372 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 100% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27372?: CVE-2023-27372 primarily affects Spip. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-27372?: 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-2023-27372 published?: CVE-2023-27372 was published on 2023-02-28 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:spip:spip:*:*:*:*:*:*:*:*
cpe:2.3:a:spip:spip:4.2.0:-:*:*:*:*:*:*
cpe:2.3:a:spip:spip:4.2.0:alpha:*:*:*:*:*:*
cpe:2.3:a:spip:spip:4.2.0:alpha2:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

More vulnerabilities in Spip

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