9.8
CRITICAL
CVE-2020-16088
OpenIKED Public Key Authentication Bypass
Description

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.

INFO

Published Date :

July 28, 2020, 12:15 p.m.

Last Modified :

Nov. 21, 2024, 5:06 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-16088 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-16088 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Openbsd openbsd
2 Openbsd openbsd
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-16088.

URL Resource
https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/014_iked.patch.sig Exploit Vendor Advisory
https://github.com/openbsd/src/commit/7afb2d41c6d373cf965285840b85c45011357115 Patch Third Party Advisory
https://github.com/xcllnt/openiked/commits/master Patch Third Party Advisory
https://www.openiked.org/security.html Vendor Advisory
https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/014_iked.patch.sig Exploit Vendor Advisory
https://github.com/openbsd/src/commit/7afb2d41c6d373cf965285840b85c45011357115 Patch Third Party Advisory
https://github.com/xcllnt/openiked/commits/master Patch Third Party Advisory
https://www.openiked.org/security.html Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

DC-2 is a purposely built vulnerable lab for the purpose of gaining experience in the world of penetration testing. It was designed to be a challenge for beginners, but just how easy it is will depend on your skills and knowledge, and your ability to learn. To successfully complete this challenge, you will require Linux skills, familiarity with the Linux command line and experience with basic penetration testing tools, such as the tools that can be found on Kali Linux, or Parrot Security OS.

Updated: 10 months, 3 weeks ago
2 stars 0 fork 0 watcher
Born at : June 3, 2021, 4:52 a.m. This repo has been linked 45 different CVEs too.

DC-1 is a purposely built vulnerable lab for the purpose of gaining experience in the world of penetration testing. It was designed to be a challenge for beginners, but just how easy it is will depend on your skills and knowledge, and your ability to learn.

Updated: 9 months, 1 week ago
2 stars 0 fork 0 watcher
Born at : May 30, 2021, 2:22 p.m. This repo has been linked 39 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-16088 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-16088 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/014_iked.patch.sig
    Added Reference https://github.com/openbsd/src/commit/7afb2d41c6d373cf965285840b85c45011357115
    Added Reference https://github.com/xcllnt/openiked/commits/master
    Added Reference https://www.openiked.org/security.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Jan. 04, 2022

    Action Type Old Value New Value
    Changed Reference Type https://github.com/openbsd/src/commit/7afb2d41c6d373cf965285840b85c45011357115 No Types Assigned https://github.com/openbsd/src/commit/7afb2d41c6d373cf965285840b85c45011357115 Patch, Third Party Advisory
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-639 CWE-287
  • CVE Modified by [email protected]

    Jul. 30, 2020

    Action Type Old Value New Value
    Added Reference https://github.com/openbsd/src/commit/7afb2d41c6d373cf965285840b85c45011357115 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jul. 29, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/014_iked.patch.sig No Types Assigned https://ftp.openbsd.org/pub/OpenBSD/patches/6.7/common/014_iked.patch.sig Exploit, Vendor Advisory
    Changed Reference Type https://github.com/xcllnt/openiked/commits/master No Types Assigned https://github.com/xcllnt/openiked/commits/master Patch, Third Party Advisory
    Changed Reference Type https://www.openiked.org/security.html No Types Assigned https://www.openiked.org/security.html Vendor Advisory
    Added CWE NIST CWE-639
    Added CPE Configuration OR *cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:* versions up to (including) 6.7
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-16088 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.62 }} 0.10%

score

0.78694

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability