CVE-2023-3635

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

1.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 69.0% 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

Important. Red Hat's rating for its own products, not a CVSS rating.

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

2023-07-12 18:34Z3 YR AGO

Last updated

2024-10-23 13:32Z2 YR AGO

Reserved

2023-07-12

Assigning CNA

JFROG

Record state

PUBLISHED

Severity

Medium (CVSS 5.9)

CNA CVSS vector

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

Weaknesses

• CWE-195Signed to Unsigned Conversion ErrorVariant
• CWE-681Incorrect Conversion between Numeric TypesBase
• CWE-248Uncaught ExceptionBase

Data version

5.1

Document digest

dbeec9ce4d6f3205c06289f0c93dcac5f46046b6fe2f78840663f68f14574bc9

• research.jfrog.comhttps://research.jfrog.com/vulnerabilities/okio-gzip-source-unhandled-exception-dos-xray-523195/
• github.comhttps://github.com/square/okio/commit/81bce1a30af244550b0324597720e4799281da7b