How severe is CVE-2023-27159?

CVE-2023-27159 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-27159 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 36% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27159?

CVE-2023-27159 affects Appwrite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27159?

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-2023-27159 published?

CVE-2023-27159 was published on 2023-03-31 and last updated on 2026-07-09.

CVE-2023-27159

CVE-2023-27159 is a high-severity vulnerability in Appwrite with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 36% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-918.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 36% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Appwrite
Published: 2023-03-31
Last modified: 2026-07-09

Description

Appwrite up to v1.2.1 was discovered to contain a Server-Side Request Forgery (SSRF) via the component /v1/avatars/favicon. This vulnerability allows attackers to access network resources and sensitive information via a crafted GET request.

Frequently asked questions

What is CVE-2023-27159?: Appwrite up to v1.2.1 was discovered to contain a Server-Side Request Forgery (SSRF) via the component /v1/avatars/favicon. This vulnerability allows attackers to access network resources and sensitive information via a crafted GET request.
How severe is CVE-2023-27159?: CVE-2023-27159 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-27159 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 36% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27159?: CVE-2023-27159 affects Appwrite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27159?: 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-2023-27159 published?: CVE-2023-27159 was published on 2023-03-31 and last updated on 2026-07-09.

References

Affected products (1)

cpe:2.3:a:appwrite:appwrite:*:*:*:*:*:*:*:*

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