CVE-2023-289976.7MediumCWE-323

CVE-2023-28997: Nextcloud Desktop: Initialization vector reuse in E2EE allows malicious server admin to break, manipulate, access files

nextcloud · security-advisories

Affected: nextcloud security-advisories · Exploitation: possible (1 to 10%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

1.1%probability of exploitation in the next 30 days

65th percentile

050100

Higher than 65% of scored CVEs

6.7MediumCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.6.5, a malicious server administrator can recover and modify the contents of end-to-end encrypted files. Users should upgrade the Nextcloud Desktop client to 3.6.5 to receive a patch. No known workarounds are available.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

nextcloud · security-advisories>= 3.0.0, < 3.6.5

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Possible (1 to 10%). EPSS between 1% and 10%.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Reusing a Nonce, Key Pair in Encryption · Cryptography
Vendor: nextcloud
Published: April 2023
Band: Possible (1 to 10%), April 2023

CoverageNo articles yet

No CyberSIXT article names CVE-2023-28997 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.