5.5

CVE-2020-12692

An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The EC2 API doesn't have a signature TTL check for AWS Signature V4. An attacker can sniff the Authorization header, and then use it to reissue an OpenStack token an unlimited number of times.

Data is provided by the National Vulnerability Database (NVD)
OpenstackKeystone Version < 15.0.1
OpenstackKeystone Version16.0.0
CanonicalUbuntu Linux Version18.04 SwEditionlts
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.14% 0.35
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 5.4 2.8 2.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
nvd@nist.gov 5.5 8 4.9
AV:N/AC:L/Au:S/C:P/I:P/A:N
CWE-294 Authentication Bypass by Capture-replay

A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).

CWE-347 Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.