How severe is CVE-2023-4959?

CVE-2023-4959 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-4959 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4959?

CVE-2023-4959 affects Redhat Quay. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4959?

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

When was CVE-2023-4959 published?

CVE-2023-4959 was published on 2023-09-15 and last updated on 2026-06-17.

CVE-2023-4959

CVE-2023-4959 is a medium-severity vulnerability in Redhat Quay with a CVSS 3.x base score of 6.5. 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Redhat Quay
Published: 2023-09-15
Last modified: 2026-06-17

Description

A flaw was found in Quay. Cross-site request forgery (CSRF) attacks force a user to perform unwanted actions in an application. During the pentest, it was detected that the config-editor page is vulnerable to CSRF. The config-editor page is used to configure the Quay instance. By coercing the victim’s browser into sending an attacker-controlled request from another domain, it is possible to reconfigure the Quay instance (including adding users with admin privileges).

Frequently asked questions

What is CVE-2023-4959?: A flaw was found in Quay. Cross-site request forgery (CSRF) attacks force a user to perform unwanted actions in an application. During the pentest, it was detected that the config-editor page is vulnerable to CSRF. The config-editor page is used to configure the Quay instance. By coercing the victim’s browser into sending an attacker-controlled request from another domain, it is possible to reconfigure the Quay instance (including adding users with admin privileges).
How severe is CVE-2023-4959?: CVE-2023-4959 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-4959 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4959?: CVE-2023-4959 affects Redhat Quay. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4959?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4959 published?: CVE-2023-4959 was published on 2023-09-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redhat:quay:3.0.0:*:*:*:*:*:*:*

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