Auth bypass in OpenBSD
CVE-2020-16088
iked in OpenIKED, as used in OpenBSD through 6.7, allows authentication bypass because ca.c has the wrong logic for checking whether a public key matches.
Vulnerability class: Broken Authentication
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.024 (83.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openiked.org/security.html (Vendor Advisory)
- github.com/xcllnt/openiked/commits/master (Patch, Third Party Advisory)
- ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/014_iked.patch.sig (Exploit, Vendor Advisory)
- github.com/openbsd/src/commit/7afb2d41c6d373cf965285840b85c45011357115 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-16088?
- CVE-2020-16088 is a critical-severity vulnerability in OpenBSD, classified under Improper Authentication. CVSS score: 9.8/10. Published 2020-07-28.
- How severe is CVE-2020-16088?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-16088 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.