How severe is CVE-2020-11133?

CVE-2020-11133 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-11133 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11133?

CVE-2020-11133 primarily affects Qualcomm Msm8998 Firmware. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11133?

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-2020-11133 published?

CVE-2020-11133 was published on 2020-09-08 and last updated on 2026-06-17.

CVE-2020-11133

CVE-2020-11133 is a high-severity vulnerability in Qualcomm Msm8998 Firmware with a CVSS 3.x base score of 7.8. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Qualcomm Msm8998 Firmware
Published: 2020-09-08
Last modified: 2026-06-17

Description

u'Possible out of bound array write in rxdco cal utility due to lack of array bound check' in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile in MSM8998, QCS605, SDA845, SDM630, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SXR1130

Frequently asked questions

What is CVE-2020-11133?: u'Possible out of bound array write in rxdco cal utility due to lack of array bound check' in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile in MSM8998, QCS605, SDA845, SDM630, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SXR1130
How severe is CVE-2020-11133?: CVE-2020-11133 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-11133 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11133?: CVE-2020-11133 primarily affects Qualcomm Msm8998 Firmware. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11133?: 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-2020-11133 published?: CVE-2020-11133 was published on 2020-09-08 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:o:qualcomm:msm8998_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qcs605_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sda845_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm630_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm636_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm660_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm670_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm710_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm845_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm850_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sxr1130_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Msm8998 Firmware

CVE-2020-11196 — Critical (CVSS 9.8): u'Integer overflow to buffer overflow occurs while playback of ASF clip having unexpected number of codec entries' in…
CVE-2020-11193 — Critical (CVSS 9.8): u'Buffer over read can happen while parsing mkv clip due to improper typecasting of data returned from atomsize' in…
CVE-2020-3654 — Critical (CVSS 9.8): u'Buffer overflow occurs while processing SIP message packet due to lack of check of index validation before copying…
CVE-2020-3669 — Critical (CVSS 9.8): u'Buffer Overflow issue in WLAN tcp ip verification due to usage of out of range pointer offset' in Snapdragon Auto,…
CVE-2020-3667 — Critical (CVSS 9.8): u'Buffer Overflow in mic calculation for WPA due to copying data into buffer without validating the length of buffer'…
CVE-2019-14052 — Critical (CVSS 9.8): u'Accessing an uninitialized data structure could result in partially copying of contents and thus incorrect…

All CVEs affecting Qualcomm Msm8998 Firmware →

Other CWE-120 (Classic Buffer Overflow) vulnerabilities

CVE-2025-48611 — Critical (CVSS 10.0): In DeviceId of DeviceId.java, there is a possible desync in persistence due to a missing bounds check. This could lead…
CVE-2026-24823 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in FASTSHIFT…
CVE-2026-24810 — Critical (CVSS 10.0): Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in rethinkdb (src/cjson modules).…
CVE-2026-24800 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow…
CVE-2025-9962 — Critical (CVSS 10.0): A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior…
CVE-2010-10016 — Critical (CVSS 10.0): BS.Player version 2.57 (build 1051) contains a vulnerability in its playlist import functionality. When processing .m3u…

Browse all CWE-120 (Classic Buffer Overflow) vulnerabilities →