CVE-2019-3463

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 5%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

Insufficient sanitization of arguments passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of arbitrary shell commands.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
91.1%
KEV
Not listed

Published

February 6, 2019

Last Modified

November 21, 2024

Advisory Details (9)

Auto-updated Jun 7, 2026
🔬 Proof of concept available. Patch available.
generic

[SECURITY] [DSA 4382-1] rssh security update

https://www.debian.org/security/2019/dsa-4382
generic

Debian Package Tracker

https://tracker.debian.org/news/1026713/accepted-rssh-234-5deb9u2-source-amd64-into-stable-embargoed-stable/
generic

rssh: Multiple vulnerabilities (GLSA 202007-29) — Gentoo security

https://security.gentoo.org/glsa/202007-29
generic

[SECURITY] Fedora 30 Update: rssh-2.3.4-15.fc30 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T42YYNWJZG422GATWAHAEK4A24OKY557/
generic

[SECURITY] Fedora 29 Update: rssh-2.3.4-15.fc29 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KR2OHTHMJVV4DO3HDRFQQZ5JENHDJQEN/
generic

[SECURITY] Fedora 31 Update: rssh-2.3.4-15.fc31 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HO3MDU3AH5SLYBKHH5PJ6PHC63ASIF42/
generic Patch Available

[SECURITY] [DLA 1660-1] rssh security update

https://lists.debian.org/debian-lts-announce/2019/02/msg00007.html
generic
http://www.securityfocus.com/bid/106839
generic🟡 PoC Available

Full Disclosure: KL-001-2021-007: CommScope Ruckus IoT Controller Undocumented Account

http://seclists.org/fulldisclosure/2021/May/78

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubunturssh (2.3.4-7ubuntu0.1) @ bionic2026-05-27ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 13× in last 7d / 46× 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.

  1. 2026-07-22 22:25 UTCEG score recompute
  2. 2026-07-22 14:05 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
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  5. 2026-07-20 23:02 UTCOSV refresh
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  1. 2026-07-07 13:43 UTCEPSS rescore
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  7. 2026-07-04 06:28 UTCEPSS rescore
  8. 2026-07-03 18:26 UTCOSV refresh
  9. 2026-07-01 15:03 UTCEPSS rescore
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  33. 2026-06-15 06:43 UTCOSV refresh
  34. 2026-06-14 23:15 UTCEPSS rescore
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  50. 2026-06-05 22:45 UTCEPSS rescore
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  64. 2026-05-28 13:43 UTCEPSS rescore
  65. 2026-05-27 22:42 UTCEG score recompute
  66. 2026-05-27 22:42 UTCVendor advisory
  67. 2026-05-27 22:42 UTCGHSA enrichment
  68. 2026-05-27 13:39 UTCEPSS rescore
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  74. 2026-05-25 07:07 UTCOSV refresh
  75. 2026-05-24 16:47 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2019-3463?
CVE-2019-3463 is a critical vulnerability published on February 6, 2019. Insufficient sanitization of arguments passed to rsync can bypass the restrictions imposed by rssh, a restricted shell that should restrict users to perform only rsync operations, resulting in the execution of arbitrary shell commands.
When was CVE-2019-3463 disclosed?
CVE-2019-3463 was first published in the National Vulnerability Database on February 6, 2019, 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-2019-3463 actively exploited?
CVE-2019-3463 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-3463?
CVE-2019-3463 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2019-3463?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-3463, 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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