CVE-2018-11070

Name: CVE-2018-11070
Creator: NVD / NIST
Published: 2018-09-11T19:29:01.397+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 1.66%

Last modified Jun 17, 2026

CVE-2018-11070 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. RSA BSAFE Crypto-J versions prior to 6.2.4 and RSA BSAFE SSL-J versions prior to 6.2.4 contain a Covert Timing Channel vulnerability during PKCS #1 unpadding operations, also known as a Bleichenbacher attack. A remote attacker may be able to recover a RSA key.. EPSS estimates a 1.66% chance of exploitation in the next 30 days.

Description

RSA BSAFE Crypto-J versions prior to 6.2.4 and RSA BSAFE SSL-J versions prior to 6.2.4 contain a Covert Timing Channel vulnerability during PKCS #1 unpadding operations, also known as a Bleichenbacher attack. A remote attacker may be able to recover a RSA key.

Metrics

CVSS 3.1

5.9/10

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

EPSS Probability

1.66%

73.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-327

Affected Software

Vendor	Product	Versions
Dell	Bsafe Crypto-J	< 6.2.4
Dell	Rsa Bsafe Ssl-J	< 6.2.4

References

http://www.securitytracker.com/id/1041614Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041615Third Party Advisory, VDB Entry
https://seclists.org/fulldisclosure/2018/Sep/7Mailing List, Third Party Advisory
http://www.securitytracker.com/id/1041614Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1041615Third Party Advisory, VDB Entry
https://seclists.org/fulldisclosure/2018/Sep/7Mailing List, Third Party Advisory

Timeline

Published: Sep 11, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-11070?

How severe is CVE-2018-11070?

CVE-2018-11070 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 1.66% probability of exploitation in the next 30 days.

How do I fix CVE-2018-11070?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-11070?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST