Is CVE-2023-22504 in the CISA KEV catalog?

No. CVE-2023-22504 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-22504?

CVE-2023-22504 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2023-22504?

CVE-2023-22504 has an EPSS score of 0.75% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-22504?

Upgrade confluence server to 8.2.2 or later.

CVE & CISA-KEV Catalog

CVE-2023-22504

MEDIUM

6.5

CVSS v3

NVD

Description

Affected versions of Atlassian Confluence Server allow remote attackers who have read permissions to a page, but not write permissions, to upload attachments via a Broken Access Control vulnerability in the attachments feature.

CWE-434Unrestricted File Upload

How to fix

Remediation Available

confluence serverNVD

Affected:>= 7.20.0, < 8.2.2Fixed in:8.2.2CVE-2023-22504derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.75%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Vendor Advisory1

jira.atlassian.com

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12617	High	8.1	100%	KEV	Fix
CVE-2018-15961	Critical	9.8	100%	KEV	-
CVE-2021-31207	Medium	6.6	100%	KEV + Ransom	Fix
CVE-2017-12615	High	8.1	100%	KEV + Ransom	-
CVE-2025-31324	Critical	10.0	99%	KEV + Ransom	-
CVE-2024-50623	Critical	9.8	99%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.