Deserialization in Qos Logback

CVE-2017-5929

QOS.ch Logback before 1.2.0 has a serialization vulnerability affecting the SocketServer and ServerSocketReceiver components.

Vulnerability class: Insecure Deserialization

EPSS: 0.101 (93.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-5929?
CVE-2017-5929 is a critical-severity vulnerability in Qos Logback, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2017-03-13.
How severe is CVE-2017-5929?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-5929 known to be exploited?
22 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.