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CVE-2020-13484

CRITICALCVSS 9.8/10EPSS 2.03%

Last modified

CVE-2020-13484 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.03% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
2.03%

78.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Bitrix24Bitrix24<= 20.0.975

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-13484?
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.
How severe is CVE-2020-13484?
CVE-2020-13484 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.03% probability of exploitation in the next 30 days.
How do I fix CVE-2020-13484?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-13484?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST