CVE-2023-0957

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 ImpacttotalSuccessful exploitation gives total 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

0.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 34.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2023-03-03 07:00Z3 YR AGO

Last updated

2025-03-05 19:56Z1 YR AGO

Reserved

2023-02-22

Assigning CNA

snyk

Record state

PUBLISHED

Severity

High (CVSS 8.2)

CNA CVSS vector

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

Weaknesses

• CWE-1385Missing Origin Validation in WebSocketsVariant
• CWE-346Origin Validation ErrorClass

Data version

5.1

Document digest

1401e091488c4b6bba0b232918c513bccad7fbf2da4aff740750ee03d9c98897

• app.safebase.iohttps://app.safebase.io/portal/71ccd717-aa2d-4a1e-942e-c768d37e9e0c/preview?product=default&orgId=71ccd717-aa2d-4a1e-942e-c768d37e9e0c&tcuUid=1d505bda-9a38-4ca5-8724-052e6337f34d
• github.comhttps://github.com/gitpod-io/gitpod/releases/tag/release-2022.11.2
• github.comhttps://github.com/gitpod-io/gitpod/pull/16378
• github.comhttps://github.com/gitpod-io/gitpod/pull/16405
• github.comhttps://github.com/gitpod-io/gitpod/commit/12956988eec0031f42ffdfa3bdc3359f65628f9f
• github.comhttps://github.com/gitpod-io/gitpod/commit/673ab6856fa04c13b7b1f2a968e4d090f1d94e4f
• snyk.iohttps://snyk.io/blog/gitpod-remote-code-execution-vulnerability-websockets/