Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2018-21018

Insufficient Session Expiration

Published: Sep 22, 2019 | Modified: Sep 23, 2019
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2018-21018
CWEhttps://cwe.mitre.org/data/definitions/613.html

Mastodon before 2.6.3 mishandles timeouts of incompletely established sessions.

Weakness

According to WASC, “Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization.”

Affected Software

Name Vendor Start Version End Version
Mastodon Joinmastodon * 2.6.3 (excluding)

Potential Mitigations

References

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