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Fencer Vulns
medium 5.9

CVE-2018-11057 json

RSA BSAFE Micro Edition Suite, versions prior to 4.0.11 (in 4.0.x) and prior to 4.1.6.1 (in 4.1.x) contains a Covert Timing Channel vulnera…

published 2018-08-31 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-3101

cvss
5.9
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

RSA BSAFE Micro Edition Suite, versions prior to 4.0.11 (in 4.0.x) and prior to 4.1.6.1 (in 4.1.x) contains a Covert Timing Channel vulnerability during RSA decryption, also known as a Bleichenbacher attack on RSA decryption. A remote attacker may be able to recover a RSA key.

Patch / fix

  • RSA BSAFE Micro Edition Suite 4.0.11, 4.1.6.1

Exploit prediction

1.67% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • RSA BSAFE Micro Edition Suite

Classification

Weakness
  • CWE-327 Use of a Broken or Risky Cryptographic Algorithm

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.