How severe is CVE-2020-11273?

CVE-2020-11273 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-11273 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11273?

CVE-2020-11273 primarily affects Qualcomm Csrb31024 Firmware. In total, 178 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11273?

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

When was CVE-2020-11273 published?

CVE-2020-11273 was published on 2021-05-07 and last updated on 2026-06-17.

CVE-2020-11273

CVE-2020-11273 is a high-severity vulnerability in Qualcomm Csrb31024 Firmware with a CVSS 3.x base score of 7.5. 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Qualcomm Csrb31024 Firmware
Published: 2021-05-07
Last modified: 2026-06-17

Description

Histogram type KPI was teardown with the assumption of the existence of histogram binning info and will lead to null pointer access when histogram binning info is missing due to lack of null check in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile

Frequently asked questions

What is CVE-2020-11273?: Histogram type KPI was teardown with the assumption of the existence of histogram binning info and will lead to null pointer access when histogram binning info is missing due to lack of null check in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Mobile
How severe is CVE-2020-11273?: CVE-2020-11273 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-11273 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11273?: CVE-2020-11273 primarily affects Qualcomm Csrb31024 Firmware. In total, 178 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11273?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-11273 published?: CVE-2020-11273 was published on 2021-05-07 and last updated on 2026-06-17.

References

https://www.qualcomm.com/company/product-security/bulletins/may-2021-bulletin

Affected products (178)

cpe:2.3:o:qualcomm:csrb31024_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm3003a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm6150a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm6150l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm6350_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm7150a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm7150l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm7250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm7250b_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8005_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8008_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8009_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8150a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8150b_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8150c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8150l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8350_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8350b_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8350bh_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8350c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm855_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm855b_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm855l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pm8998_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmi8998_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmk8002_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmk8003_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmk8350_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmr525_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmr735a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmr735b_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmx24_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmx55_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:pmx60_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qat3516_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qat3518_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qat3519_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qat3555_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qat5515_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Csrb31024 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-2022-40514 — Critical (CVSS 9.8): Memory corruption due to buffer copy without checking the size of input in WLAN Firmware while processing CCKM IE in…
CVE-2022-25748 — Critical (CVSS 9.8): Memory corruption in WLAN due to integer overflow to buffer overflow while parsing GTK frames. in Snapdragon Auto,…
CVE-2022-25720 — Critical (CVSS 9.8): Memory corruption in WLAN due to out of bound array access during connect/roaming in Snapdragon Auto, Snapdragon…
CVE-2022-25651 — Critical (CVSS 9.8): Memory corruption in bluetooth host due to integer overflow while processing BT HFP-UNIT profile in Snapdragon Auto,…

All CVEs affecting Qualcomm Csrb31024 Firmware →

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

CVE-2022-36648 — Critical (CVSS 10.0): The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier,…
CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →