CVE-2020-13484
highpriority · track · 40EPSS 0.020 · 81 %ileEUUSEPSS · scored 2026-10-27
Bitrix24 through 20.0.975 allows SSRF via an intranet IP address in the services/main/ajax.php?action=attachUrlPreview url parameter, if the destination URL hosts an HTML document containing '<meta name="og:image" content="' followed by an intranet URL.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://gist.github.com/mariuszpoplwski/f261a4bc06adde5c78760559db9d63bdcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-13484cnnvd
- https://www.bitrix24.com/Patchcnnvd
- https://gist.github.com/mariuszpoplwski/f261a4bc06adde5c78760559db9d63bdenisa_euvd
- https://gist.github.com/mariuszpoplwski/f261a4bc06adde5c78760559db9d63bdExploitThird Party Advisorynvd
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