CVE-2026-42770

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

0.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 38.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-07-23.

Red Hat severity

Low. 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

2026-06-09 16:03Z2 MO AGO

Last updated

2026-07-20 16:09Z1 MO AGO

Reserved

2026-04-29

Assigning CNA

openssl

Record state

PUBLISHED

Severity

Low (CVSS 3.7)

CNA CVSS vector

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

Weaknesses

• CWE-325Missing Cryptographic StepBase
• CWE-354Improper Validation of Integrity Check ValueBase

Data version

5.2

Document digest

a242caf1a930175ed3e831384dc7a46fc1281c2982e170e1a72bd92913223571

• openssl-library.orgOpenSSL Advisoryhttps://openssl-library.org/news/secadv/20260609.txtvendor-advisory
• github.com4.0.1 git commithttps://github.com/openssl/openssl/commit/3da5a516cd2635a320ff748503db2cef7c4b0f02patch
• github.com3.6.3 git commithttps://github.com/openssl/openssl/commit/3ddbb7ab50bd93dfc59cbe08e269a67605aeebdbpatch
• github.com3.5.7 git commithttps://github.com/openssl/openssl/commit/ca2237ab5615641b662183b077f62c08d75e8070patch
• github.com3.4.6 git commithttps://github.com/openssl/openssl/commit/5f452bba2c681423d8fcffd120a19b757ee42e3cpatch
• github.com3.0.21 git commithttps://github.com/openssl/openssl/commit/7fbfde7677ed8808828bf00ff01c937ca04bdda2patch