What is CVE-2020-15853?

CVE-2020-15853 is a medium-severity vulnerability in Fedoraproject Supybot-Fedora, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2022-10-18.

How severe is CVE-2020-15853?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2020-15853 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Fedoraproject Supybot-Fedora

CVE-2020-15853

supybot-fedora implements the command 'refresh', that refreshes the cache of all users from FAS. This takes quite a while to run, and zodbot stops responding to requests during this time.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.006 (45.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Fedoraproject Supybot-fedora
N/a Supybot-fedora — versions all versions

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2020-15853

References

patrick@puiterwijk.org (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-15853?: CVE-2020-15853 is a medium-severity vulnerability in Fedoraproject Supybot-Fedora, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2022-10-18.
How severe is CVE-2020-15853?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2020-15853 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.