Vulnerability in Libreoffice

CVE-2022-26306

LibreOffice supports the storage of passwords for web connections in the user’s configuration database. The stored passwords are encrypted with a single master key provided by the user. A flaw in LibreOffice existed where the required initialization vector for encryption was always the same which weakens the security of the encryption making them vulnerable if an attacker has access to the user's configuration data. This issue affects: The Document Foundation LibreOffice 7.2 versions prior to 7.2.7; 7.3 versions prior to 7.3.1.

EPSS: 0.010 (59.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-26306?
CVE-2022-26306 is a high-severity vulnerability in Libreoffice, classified under Inadequate Encryption Strength. CVSS score: 7.5/10. Published 2022-07-25.
How severe is CVE-2022-26306?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-26306 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.