How severe is CVE-2022-33211?

CVE-2022-33211 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-33211 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-33211?

CVE-2022-33211 primarily affects Qualcomm Mdm8207 Firmware. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-33211?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-33211 published?

CVE-2022-33211 was published on 2023-04-13 and last updated on 2026-06-17.

CVE-2022-33211

CVE-2022-33211 is a critical-severity vulnerability in Qualcomm Mdm8207 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-131.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-131
Affected product: Qualcomm Mdm8207 Firmware
Published: 2023-04-13
Last modified: 2026-06-17

Description

memory corruption in modem due to improper check while calculating size of serialized CoAP message

Frequently asked questions

What is CVE-2022-33211?: memory corruption in modem due to improper check while calculating size of serialized CoAP message
How severe is CVE-2022-33211?: CVE-2022-33211 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-33211 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-33211?: CVE-2022-33211 primarily affects Qualcomm Mdm8207 Firmware. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-33211?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-33211 published?: CVE-2022-33211 was published on 2023-04-13 and last updated on 2026-06-17.

References

https://www.qualcomm.com/company/product-security/bulletins/april-2023-bulletin

Affected products (12)

cpe:2.3:o:qualcomm:mdm8207_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9205_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9206_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:mdm9207_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca4004_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qts110_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_wear_1100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_wear_1200_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_wear_1300_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_x5_lte_modem_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9306_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9330_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Mdm8207 Firmware

CVE-2023-22388 — Critical (CVSS 9.8): Memory Corruption in Multi-mode Call Processor while processing bit mask API.
CVE-2022-40510 — Critical (CVSS 9.8): Memory corruption due to buffer copy without checking size of input in Audio while voice call with EVS vocoder.
CVE-2022-33259 — Critical (CVSS 9.8): Memory corruption due to buffer copy without checking the size of input in modem while decoding raw SMS received.
CVE-2022-25740 — Critical (CVSS 9.8): Memory corruption in modem due to buffer overwrite while building an IPv6 multicast address based on the MAC address of…
CVE-2022-25678 — Critical (CVSS 9.8): Memory correction in modem due to buffer overwrite during coap connection
CVE-2022-25727 — Critical (CVSS 9.8): Memory Corruption in modem due to improper length check while copying into memory in Snapdragon Consumer IOT,…

All CVEs affecting Qualcomm Mdm8207 Firmware →

Other CWE-131 (Incorrect Calculation of Buffer Size) vulnerabilities

CVE-2026-52955 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: libceph: Fix potential out-of-bounds access in…
CVE-2026-41676 — Critical (CVSS 9.8): rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.27 to before 0.10.78,…
CVE-2026-1949 — Critical (CVSS 9.8): Delta Electronics AS320T has incorrect calculation of the buffer size on the stack in the GET/PUT request handler of…
CVE-2026-20911 — Critical (CVSS 9.8): A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit 0b56545 and…
CVE-2025-1861 — Critical (CVSS 9.8): In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before 8.4.5, when…
CVE-2023-5941 — Critical (CVSS 9.8): In versions of FreeBSD 12.4-RELEASE prior to 12.4-RELEASE-p7 and FreeBSD 13.2-RELEASE prior to 13.2-RELEASE-p5 the…

Browse all CWE-131 (Incorrect Calculation of Buffer Size) vulnerabilities →