Privilege escalation in Apache Couchdb

CVE-2017-12635

Due to differences in the Erlang-based JSON parser and JavaScript-based JSON parser, it is possible in Apache CouchDB before 1.7.0 and 2.x before 2.1.1 to submit _users documents with duplicate keys for 'roles' used for access control with…

Vulnerability class: Privilege Escalation

EPSS: 0.941 (99.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/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-2017-12635?
CVE-2017-12635 is a critical-severity vulnerability in Apache Couchdb, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2017-11-14.
How severe is CVE-2017-12635?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-12635 known to be exploited?
52 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.