CVE-2023-28113

MEDIUMNVD 5.95.9—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.9 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 60% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
5.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.9Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

russh is a Rust SSH client and server library. Starting in version 0.34.0 and prior to versions 0.36.2 and 0.37.1, Diffie-Hellman key validation is insufficient, which can lead to insecure shared secrets and therefore breaks confidentiality. Connections between a russh client and server or those of a russh peer with some other misbehaving peer are most likely to be problematic. These may vulnerable to eavesdropping. Most other implementations reject such keys, so this is mainly an interoperability issue in such a case. This issue is fixed in versions 0.36.2 and 0.37.1

CVSS v3
5.9
EG Score
5.9(medium)
EPSS
45.9%
KEV
Not listed

Published

March 16, 2023

Last Modified

November 21, 2024

References (12)

Affected Packages

(1 across 1 ecosystem)
crates.io(1)
PackageVulnerable rangeFixed inDependents
russh—0.37.1—

Weakness Classification(3)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 13× in last 7d / 48× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 102 total refreshes for this CVE.

  1. 2026-07-22 14:06 UTCEPSS rescore
  2. 2026-07-22 14:06 UTCEPSS rescore
  3. 2026-07-21 15:23 UTCEPSS rescore
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  13. 2026-07-16 02:53 UTCOSV refresh
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  1. 2026-07-09 19:08 UTCEPSS rescore
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  43. 2026-06-11 13:59 UTCEPSS rescore
  44. 2026-06-10 22:17 UTCEPSS rescore
  45. 2026-06-10 13:47 UTCOSV refresh
  46. 2026-06-10 13:21 UTCEPSS rescore
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  48. 2026-06-08 14:15 UTCEPSS rescore
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  50. 2026-06-07 15:23 UTCEPSS rescore
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  74. 2026-05-26 07:18 UTCEPSS rescore
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Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-28113?
CVE-2023-28113 is a medium vulnerability published on March 16, 2023. russh is a Rust SSH client and server library. Starting in version 0.34.0 and prior to versions 0.36.2 and 0.37.1, Diffie-Hellman key validation is insufficient, which can lead to insecure shared secrets and therefore breaks confidentiality. Connections between a russh client and server or those of…
When was CVE-2023-28113 disclosed?
CVE-2023-28113 was first published in the National Vulnerability Database on March 16, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-28113 actively exploited?
CVE-2023-28113 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 45.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-28113?
CVE-2023-28113 has a CVSS v3 base score of 5.9 (NVD).
How do I remediate CVE-2023-28113?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-28113, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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