What is CVE-2023-34758?

CVE-2023-34758 is a high-severity vulnerability in Bishopfox Sliver, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 8.1/10. Published 2023-08-28.

How severe is CVE-2023-34758?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2023-34758 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Bishopfox Sliver

CVE-2023-34758

Sliver from v1.5.x to v1.5.39 has an improper cryptographic implementation, which allows attackers to execute a man-in-the-middle attack via intercepted and crafted responses.

Vulnerability class: POODLE (CVE-2014-3566)

EPSS: 0.006 (44.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Bishopfox Sliver
N/a — versions n/a

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

Public proof-of-concept exploits

References

cve@mitre.org (Broken Link)
cve@mitre.org (Third Party Advisory)
cve@mitre.org (Release Notes)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2023-34758?: CVE-2023-34758 is a high-severity vulnerability in Bishopfox Sliver, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 8.1/10. Published 2023-08-28.
How severe is CVE-2023-34758?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2023-34758 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.