What is CVE-2020-15099?

CVE-2020-15099 is a high-severity vulnerability in Typo3 Cms, classified under Information Disclosure. CVSS score: 8.1/10. Published 2020-07-29.

How severe is CVE-2020-15099?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2020-15099 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Typo3 Cms

CVE-2020-15099

In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.20, and greater than or equal to 10.0.0 and less than 10.4.6, in a case where an attacker manages to generate a valid cryptographic message authentication code (HMAC-SHA1) - eit…

Vulnerability class: Information Disclosure

EPSS: 0.012 (79.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Typo3 Cms — versions >= 9.0.0, < 9.5.20, >= 10.0.0, 10.4.6

Weakness classification (CWE)

Public proof-of-concept exploits

Dread1ess/CVE-2020-15099

References

github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-3x94-fv5h-5q2c (x_refsource_CONFIRM)
typo3.org/security/advisory/typo3-core-sa-2020-007 (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-15099?: CVE-2020-15099 is a high-severity vulnerability in Typo3 Cms, classified under Information Disclosure. CVSS score: 8.1/10. Published 2020-07-29.
How severe is CVE-2020-15099?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2020-15099 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.