CVE-2020-12692

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.70% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 52.8% of scored records. A rank, not a probability.

NVD base score

5.4 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-05-06 23:42Z6 YR AGO

Last updated

2024-08-04 12:04Z2 YR AGO

Reserved

2020-05-06

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-294Authentication Bypass by Capture-replayBase
• CWE-347Improper Verification of Cryptographic SignatureBase
• CWE-863Incorrect AuthorizationClass

Data version

5.1

Document digest

32b17ba2a9e50c8534eebd360548e10f9de3366235ff0c6ac3823072ecfe797a

• security.openstack.orghttps://security.openstack.org/ossa/OSSA-2020-003.htmlx_refsource_CONFIRM
• bugs.launchpad.nethttps://bugs.launchpad.net/keystone/+bug/1872737x_refsource_MISC
• www.openwall.comhttps://www.openwall.com/lists/oss-security/2020/05/06/4x_refsource_MISC
• www.openwall.com[oss-security] 20200507 Re: [OSSA-2020-003] Keystone: Keystone does not check signature TTL of the EC2 credential auth method (CVE PENDING)http://www.openwall.com/lists/oss-security/2020/05/07/1mailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-4480-1https://usn.ubuntu.com/4480-1/vendor-advisoryx_refsource_UBUNTU