CVE-2023-27159
Status: ModifiedHigh (7.5)—Exploit
Severity7.5High · CVSS 3.1
Exploitation probability36 %higher than 98% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitAvailableNuclei template (automated mass detection)
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.
CVSS
- Base score
- 7.5
- Version
- 3.1
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days
- 36 %
- Percentile among all scored CVEs
- 98
- Score date
- 10/23/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Public exploits
Exploit code or detection templates are publicly available. This is not the same as confirmed active exploitation (KEV), but it raises the risk: patch with priority.
- Nuclei template (automated mass detection) · Appwrite <=1.2.1 - Server-Side Request Forgery
Affected technologies (1)
CWEs
- CWE-918
- CWE-918
References
Show 8 references
- https://gist.github.com/b33t1e/43b26c31e895baf7e7aea2dbf9743a9a
- https://gist.github.com/b33t1e/e9e8192317c111e7897e04d2f9bf5fdb
- https://github.com/appwrite/appwrite
- https://notes.sjtu.edu.cn/gMNlpByZSDiwrl9uZyHTKA
- https://gist.github.com/b33t1e/43b26c31e895baf7e7aea2dbf9743a9a
- https://gist.github.com/b33t1e/e9e8192317c111e7897e04d2f9bf5fdb
- https://github.com/appwrite/appwrite
- https://notes.sjtu.edu.cn/gMNlpByZSDiwrl9uZyHTKA
Raw JSON (NVD)
Show
{
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"cveTags": [],
"metrics": {
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"options": [
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},
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}
],
"version": "2.0.3",
"timestamp": "2025-02-18T15:08:46.423908Z"
}
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"cvssMetricV31": [
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"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
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"affected": [
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"published": "2023-03-31T19:15:07.273",
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}
],
"lastModified": "2026-07-09T01:18:12.110",
"configurations": [
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"nodes": [
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"cpeMatch": [
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}