CVE-2021-1913

Possible integer overflow due to improper length check while updating grace period and count...

8.4 High

Possible integer overflow due to improper length check while updating grace period and count record in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.17%Down 0.3 points since Oct 20, 2021

What each source reports

CVE List Score used 8.4

Record: CVE-2021-1913
CVSS 3.1: 8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

EUVDEUVD-2021-7377 8.4

Record: EUVD-2021-7377
CVSS 3.1: 8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-2mxc-jxw2-pf5c No score

Possible integer overflow due to improper length check while updating grace period and count...

Record: GHSA-2mxc-jxw2-pf5c
Weakness: CWE-190
Updated: 2026-11-02

NVD 8.4

Record: CVE-2021-1913
CVSS 3.1: 8.4 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-190
Updated: 2026-11-02

Affected products

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History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-1913 is a high vulnerability (CVSS 8.4) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial Iot, Snapdragon Mobile, Snapdragon Wired Infrastructure And Networking, published October 20, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 5th percentile. No source names a fixed version.