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CVE-2026-35558

high

Improper neutralization of special elements in the authentication components in Amazon Athena ODBC driver before 2.1.0.0 might allow a threat actor to execute arbitrary code or redirect authentication flows by using specially crafted connection parameters that are processed by the driver during user-initiated authentication. To remediate this issue, users should upgrade to version 2.1.0.0.

7.8
cvss high
common vulnerability scoring system v3.1. measures intrinsic severity on a 0-10 scale.
epss -
exploitation prediction scoring system. probability this vulnerability will be exploited in the wild in the next 30 days.
kev no
cisa known exploited vulnerabilities catalog. confirmed active exploitation.
CVSS 3.1 Common Vulnerability Scoring System v3.1
7.8 / 10
HIGH
exploitability
Attack Vector
Local
Attack Vector (AV:L): requires local access. attacker must have shell access or physical login.
Attack Complexity
Low
Attack Complexity (AC:L): no special conditions needed. attack can be reliably reproduced.
Privileges Required
None
Privileges Required (PR:N): no authentication needed. any anonymous attacker can exploit this.
User Interaction
Required
User Interaction (UI:R): victim must perform some action (e.g. clicking a link, opening a file).
impact
Scope
Unchanged
Scope (S:U): impact limited to the vulnerable component.
Confidentiality
High
Confidentiality (C:H): total information disclosure. attacker gains access to all data within the component.
Integrity
High
Integrity (I:H): complete data modification possible. attacker can modify any data.
Availability
High
Availability (A:H): total denial of service. attacker can fully shut down the resource.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 4.0 Common Vulnerability Scoring System v4.0
7.3 / 10
HIGH
exploitability
Attack Vector
Local
Attack Vector (AV:L): requires local access. attacker must have shell access or physical login.
Attack Complexity
Low
Attack Complexity (AC:L): no special conditions needed. attack can be reliably reproduced.
Attack Requirements
Present
Attack Requirements (AT:P): requires specific conditions in the target environment.
Privileges Required
None
Privileges Required (PR:N): no authentication needed. any anonymous attacker can exploit this.
User Interaction
Passive
User Interaction (UI:P): victim must perform a limited, passive action (e.g. opening a document).
vulnerable system impact
Vuln Confidentiality
High
Confidentiality (VC:H): total information disclosure. attacker gains access to all data within the component.
Vuln Integrity
High
Integrity (VI:H): complete data modification possible. attacker can modify any data.
Vuln Availability
High
Availability (VA:H): total denial of service. attacker can fully shut down the resource.
subsequent system impact
Sub Confidentiality
None
Subsequent Confidentiality: impact on data confidentiality of downstream/connected systems. Value: N (None)
Sub Integrity
None
Subsequent Integrity: impact on data integrity of downstream/connected systems. Value: N (None)
Sub Availability
None
Subsequent Availability: impact on service availability of downstream/connected systems. Value: N (None)
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/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
exploit detect attrib advisory media timeline
exploitation detection attribution advisories media timeline
rdintel assessment
31 threat composite score from 15+ signals including exploitation status, epss probability, detection coverage, and community attention. 0-100 scale.

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