CVE-2021-27329
CVSS v3
10
CRITICAL
EPSS Score
1.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Friendica 2021.01 allows SSRF via parse_url?binurl= for DNS lookups or HTTP requests to arbitrary domain names.
Technical details
- Published
- 2021-02-18
Frequently asked questions
What is CVE-2021-27329?
Friendica 2021.01 allows SSRF via parse_url?binurl= for DNS lookups or HTTP requests to arbitrary domain names.
Is CVE-2021-27329 actively exploited?
Active exploitation of CVE-2021-27329 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-27329?
CVE-2021-27329 has a CVSS v3 base score of 10 (CRITICAL severity).
Is CVE-2021-27329 affecting your environment?
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