How severe is CVE-2022-27426?

CVE-2022-27426 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-27426 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-27426?

CVE-2022-27426 affects Chamilo Chamilo Lms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-27426?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-27426 published?

CVE-2022-27426 was published on 2022-04-15 and last updated on 2026-06-17.

CVE-2022-27426

CVE-2022-27426 is a high-severity vulnerability in Chamilo Chamilo Lms with a CVSS 3.x base score of 8.8. 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-918.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Chamilo Chamilo Lms
Published: 2022-04-15
Last modified: 2026-06-17

Description

A Server-Side Request Forgery (SSRF) in Chamilo LMS v1.11.13 allows attackers to enumerate the internal network and execute arbitrary system commands via a crafted Phar file.

Frequently asked questions

What is CVE-2022-27426?: A Server-Side Request Forgery (SSRF) in Chamilo LMS v1.11.13 allows attackers to enumerate the internal network and execute arbitrary system commands via a crafted Phar file.
How severe is CVE-2022-27426?: CVE-2022-27426 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-27426 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-27426?: CVE-2022-27426 affects Chamilo Chamilo Lms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-27426?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-27426 published?: CVE-2022-27426 was published on 2022-04-15 and last updated on 2026-06-17.

References

https://support.chamilo.org/projects/1/wiki/Security_issues

Affected products (1)

cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*

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