SSH_FXP_OPENDIR may Lead to Exhaustion of File Handles

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2025-48041
StatePUBLISHED
AssignerEEF
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-09-11 09:15:34 UTC
Updated2026-04-06 17:17:03 UTC
DescriptionAllocation of Resources Without Limits or Throttling vulnerability in Erlang OTP ssh (ssh_sftp modules) allows Excessive Allocation, Flooding. This vulnerability is associated with program files lib/ssh/src/ssh_sftpd.erl. This issue affects OTP form OTP 17.0 until OTP 28.0.3, OTP 27.3.4.3 and 26.2.5.15 corresponding to ssh from 3.0.1 until 5.3.3, 5.2.11.3 and 5.1.4.12.

Risk And Classification

Primary CVSS: v4.0 7.1 HIGH from 6b3ad84c-e1a6-4bf7-a703-f496b71e49db

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-400 | CWE-770 | CWE-770 CWE-770 Allocation of Resources Without Limits or Throttling | CWE-400 CWE-400 Uncontrolled Resource Consumption

VersionSourceTypeScoreSeverityVector
4.06b3ad84c-e1a6-4bf7-a703-f496b71e49dbSecondary7.1HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS7.1HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Erlang OTP affected 3.0.1 * otp Not specified
CNA Erlang OTP affected 17.0 * otp Not specified
CNA Erlang OTP affected 07b8f441ca711f9812fad9e9115bab3c3aa92f79 * git Not specified

References

ReferenceSourceLinkTags
github.com/erlang/otp/security/advisories/GHSA-79c4-cvv7-4qm3 6b3ad84c-e1a6-4bf7-a703-f496b71e49db github.com
github.com/erlang/otp/pull/10157 6b3ad84c-e1a6-4bf7-a703-f496b71e49db github.com
www.erlang.org/doc/system/versions.html 6b3ad84c-e1a6-4bf7-a703-f496b71e49db www.erlang.org
github.com/erlang/otp/commit/5f9af63eec4657a37663828d206517828cb9f288 6b3ad84c-e1a6-4bf7-a703-f496b71e49db github.com
github.com/erlang/otp/commit/d49efa2d4fa9e6f7ee658719cd76ffe7a33c2401 6b3ad84c-e1a6-4bf7-a703-f496b71e49db github.com
cna.erlef.org/cves/CVE-2025-48041.html 6b3ad84c-e1a6-4bf7-a703-f496b71e49db cna.erlef.org
osv.dev/vulnerability/EEF-CVE-2025-48041 6b3ad84c-e1a6-4bf7-a703-f496b71e49db osv.dev
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Jakub Witczak (en)

CNA: Ingela Andin (en)

Additional Advisory Data

Workarounds

CNA: * disabling SFTP * limiting number of max_sessions allowed for sshd, so exploiting becomes more complicated

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