How severe is CVE-2023-34959?

CVE-2023-34959 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-34959 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34959?

CVE-2023-34959 affects Chamilo Chamilo Lms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-34959?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-34959 published?

CVE-2023-34959 was published on 2023-06-08 and last updated on 2026-06-17.

CVE-2023-34959

CVE-2023-34959 is a medium-severity vulnerability in Chamilo Chamilo Lms with a CVSS 3.x base score of 5.3. 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: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Chamilo Chamilo Lms
Published: 2023-06-08
Last modified: 2026-06-17

Description

An issue in Chamilo v1.11.* up to v1.11.18 allows attackers to execute a Server-Side Request Forgery (SSRF) and obtain information on the services running on the server via crafted requests in the social and links tools.

Frequently asked questions

What is CVE-2023-34959?: An issue in Chamilo v1.11.* up to v1.11.18 allows attackers to execute a Server-Side Request Forgery (SSRF) and obtain information on the services running on the server via crafted requests in the social and links tools.
How severe is CVE-2023-34959?: CVE-2023-34959 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-34959 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34959?: CVE-2023-34959 affects Chamilo Chamilo Lms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34959?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-34959 published?: CVE-2023-34959 was published on 2023-06-08 and last updated on 2026-06-17.

References

Affected products (1)

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

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