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CVE-2020-10702

MEDIUM
5.5
CVSS Score
Published: June 4, 2020 at 05:31 PM UTC
Updated: June 17, 2026 at 02:48 AM UTC
1 product affected across 1 vendorQEMU

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%

Description

A flaw was found in QEMU in the implementation of the Pointer Authentication (PAuth) support for ARM introduced in version 4.0 and fixed in version 5.0.0. A general failure of the signature generation process caused every PAuth-enforced pointer to be signed with the same signature. A local attacker could obtain the signature of a protected pointer and abuse this flaw to bypass PAuth protection for all programs running on QEMU.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

QEMU· Qemu
95%
v < 5.0.04.0.0 ≤ v < 5.0.0
Affected range stops below 5.0.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

x_refsource_CONFIRMIssue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10702
x_refsource_CONFIRM
Source: [email protected]
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=de0b1bae6461f67243282555475f88b2384a1eb9
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20200724-0007/

CVSS

5.5MEDIUMredhat
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-325NVD-CWE-Other

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