CVE-2022-31052

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

1.61% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 74.1% of scored records. A rank, not a probability.

NVD base score

6.5 (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:N/I:N/A:H

NVD analysis status

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

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2022-06-28 17:10Z4 YR AGO

Last updated

2025-04-23 18:05Z1 YR AGO

Reserved

2022-05-18

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-674Uncontrolled RecursionClass

Data version

5.1

Document digest

367bf159f860d963542a4b1bbe88575e20cf3eed692baacabd62dd1f23bfc4ef

• github.comhttps://github.com/matrix-org/synapse/security/advisories/GHSA-22p3-qrh9-cx32x_refsource_CONFIRM
• github.comhttps://github.com/matrix-org/synapse/commit/fa1308061802ac7b7d20e954ba7372c5ac292333x_refsource_MISC
• spec.matrix.orghttps://spec.matrix.org/v1.2/client-server-api/#get_matrixmediav3preview_urlx_refsource_MISC
• lists.fedoraproject.orgFEDORA-2022-45bf6d4b88https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7EARKKJZ2W7WUITFDT4EG4NVATFYJQHF/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2022-1a2312e4d6https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGSDQ4YAITCUACAB7SXQZDJIU3IQ4CJD/vendor-advisoryx_refsource_FEDORA