CVE-2023-42449

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• 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

0.91% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 57.3% of scored records. A rank, not a probability.

NVD base score

8.1 (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: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

2023-10-04 19:06Z2 YR AGO

Last updated

2024-09-20 14:06Z1 YR AGO

Reserved

2023-09-08

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

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

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

1a2bbaf8c3f4f36a3577c31b43a22c1c11b34ed2b6cbccc6f7f99257fdebb0cf

• github.comhttps://github.com/input-output-hk/hydra/security/advisories/GHSA-9m8q-7wxv-v65px_refsource_CONFIRM
• github.comhttps://github.com/input-output-hk/hydra/blob/1e13b60a7b21c5ccd6c36e3cf220547f5d443cef/hydra-node/src/Hydra/Chain/Direct/Tx.hs#L645-L761x_refsource_MISC
• github.comhttps://github.com/input-output-hk/hydra/blob/1e13b60a7b21c5ccd6c36e3cf220547f5d443cef/hydra-plutus/src/Hydra/Contract/Initial.hs#L84-L91x_refsource_MISC
• github.comhttps://github.com/input-output-hk/hydra/blob/master/CHANGELOG.md#0130---2023-10-03x_refsource_MISC
• github.comhttps://github.com/input-output-hk/hydra/blob/master/hydra-plutus/src/Hydra/Contract/HeadTokens.hs#L76-L136x_refsource_MISC