CVE-2023-21630 | Integer Overflow in Multimedia Framework

Memory Corruption in Multimedia Framework due to integer overflow when synx bind is called along with synx signal.

Published: 2023-04-13 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-21630 is rated Moderate Risk (40.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.06%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-21630

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 0.05% 0.06% +0.01%
2 2025-11-18 0.05% 0.05% -0.00%
3 2025-03-17 — 0.05% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-21630

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.4 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.5 5.9 [email protected]
7.8 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.8 5.9 [email protected]

Weakness enumeration for CVE-2023-21630

Affected software / configurations for CVE-2023-21630

Vendor Product Version Raw CPE
qualcomm qca6391_firmware — cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*
qualcomm qca6574_firmware — cpe:2.3:o:qualcomm:qca6574_firmware:-:*:*:*:*:*:*:*
qualcomm qca6574a_firmware — cpe:2.3:o:qualcomm:qca6574a_firmware:-:*:*:*:*:*:*:*
qualcomm qca6574au_firmware — cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:*
qualcomm qca6595au_firmware — cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
qualcomm qca6696_firmware — cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
qualcomm sa6155p_firmware — cpe:2.3:o:qualcomm:sa6155p_firmware:-:*:*:*:*:*:*:*
qualcomm sa8155p_firmware — cpe:2.3:o:qualcomm:sa8155p_firmware:-:*:*:*:*:*:*:*
qualcomm sa8195p_firmware — cpe:2.3:o:qualcomm:sa8195p_firmware:-:*:*:*:*:*:*:*
qualcomm sd680_firmware — cpe:2.3:o:qualcomm:sd680_firmware:-:*:*:*:*:*:*:*
qualcomm sd778g_firmware — cpe:2.3:o:qualcomm:sd778g_firmware:-:*:*:*:*:*:*:*
qualcomm sd888_firmware — cpe:2.3:o:qualcomm:sd888_firmware:-:*:*:*:*:*:*:*
qualcomm sg4150p_firmware — cpe:2.3:o:qualcomm:sg4150p_firmware:-:*:*:*:*:*:*:*
qualcomm sm6225-ad_firmware — cpe:2.3:o:qualcomm:sm6225-ad_firmware:-:*:*:*:*:*:*:*
qualcomm sm7315_firmware — cpe:2.3:o:qualcomm:sm7315_firmware:-:*:*:*:*:*:*:*
qualcomm sm7325_firmware — cpe:2.3:o:qualcomm:sm7325_firmware:-:*:*:*:*:*:*:*
qualcomm sm7325-ae_firmware — cpe:2.3:o:qualcomm:sm7325-ae_firmware:-:*:*:*:*:*:*:*
qualcomm sm7325-af_firmware — cpe:2.3:o:qualcomm:sm7325-af_firmware:-:*:*:*:*:*:*:*
qualcomm sm7325p_firmware — cpe:2.3:o:qualcomm:sm7325p_firmware:-:*:*:*:*:*:*:*
qualcomm sm7350-ab_firmware — cpe:2.3:o:qualcomm:sm7350-ab_firmware:-:*:*:*:*:*:*:*
qualcomm sm8350_firmware — cpe:2.3:o:qualcomm:sm8350_firmware:-:*:*:*:*:*:*:*
qualcomm sm8350-ac_firmware — cpe:2.3:o:qualcomm:sm8350-ac_firmware:-:*:*:*:*:*:*:*
qualcomm sm8450_firmware — cpe:2.3:o:qualcomm:sm8450_firmware:-:*:*:*:*:*:*:*
qualcomm sm8475_firmware — cpe:2.3:o:qualcomm:sm8475_firmware:-:*:*:*:*:*:*:*
qualcomm sw5100_firmware — cpe:2.3:o:qualcomm:sw5100_firmware:-:*:*:*:*:*:*:*
qualcomm sw5100p_firmware — cpe:2.3:o:qualcomm:sw5100p_firmware:-:*:*:*:*:*:*:*
qualcomm wcd9370_firmware — cpe:2.3:o:qualcomm:wcd9370_firmware:-:*:*:*:*:*:*:*
qualcomm wcd9375_firmware — cpe:2.3:o:qualcomm:wcd9375_firmware:-:*:*:*:*:*:*:*
qualcomm wcd9380_firmware — cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:*
qualcomm wcd9385_firmware — cpe:2.3:o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:*
qualcomm wcn3950_firmware — cpe:2.3:o:qualcomm:wcn3950_firmware:-:*:*:*:*:*:*:*
qualcomm wcn3980_firmware — cpe:2.3:o:qualcomm:wcn3980_firmware:-:*:*:*:*:*:*:*
qualcomm wcn3988_firmware — cpe:2.3:o:qualcomm:wcn3988_firmware:-:*:*:*:*:*:*:*
qualcomm wcn6740_firmware — cpe:2.3:o:qualcomm:wcn6740_firmware:-:*:*:*:*:*:*:*
qualcomm wcn6750_firmware — cpe:2.3:o:qualcomm:wcn6750_firmware:-:*:*:*:*:*:*:*
qualcomm wcn685x-1_firmware — cpe:2.3:o:qualcomm:wcn685x-1_firmware:-:*:*:*:*:*:*:*
qualcomm wcn685x-5_firmware — cpe:2.3:o:qualcomm:wcn685x-5_firmware:-:*:*:*:*:*:*:*
qualcomm wcn785x-1_firmware — cpe:2.3:o:qualcomm:wcn785x-1_firmware:-:*:*:*:*:*:*:*
qualcomm wcn785x-5_firmware — cpe:2.3:o:qualcomm:wcn785x-5_firmware:-:*:*:*:*:*:*:*
qualcomm wsa8810_firmware — cpe:2.3:o:qualcomm:wsa8810_firmware:-:*:*:*:*:*:*:*
qualcomm wsa8830_firmware — cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:*
qualcomm wsa8835_firmware — cpe:2.3:o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:*

References for CVE-2023-21630

cvelogic Threat Intelligence