CVE-2022-31152

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

1.20% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 68.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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

2022-09-02 20:00Z4 YR AGO

Last updated

2025-04-23 17:32Z1 YR AGO

Reserved

2022-05-18

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.4)

CNA CVSS vector

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

Weaknesses

• CWE-703Improper Check or Handling of Exceptional ConditionsPillar
• CWE-755Improper Handling of Exceptional ConditionsClass

Data version

5.1

Document digest

4f09623a64e85fdbea70a0a2d7ee622b23b2aa42cce7891927b8ae742e92daf8

• github.comhttps://github.com/matrix-org/synapse/security/advisories/GHSA-jhjh-776m-4765x_refsource_CONFIRM
• github.comhttps://github.com/matrix-org/synapse/pull/13087x_refsource_MISC
• github.comhttps://github.com/matrix-org/synapse/pull/13088x_refsource_MISC
• github.comhttps://github.com/matrix-org/synapse/releases/tag/v1.62.0x_refsource_MISC