Improper Input Validation in Multi-Mode Call Processor
Transient DOS in Multi-Mode Call Processor while processing UE policy container.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for help- Published
- Feb 6, 2024
- Updated
- Jun 17, 2026
- EPSS
- 0.3% · 23th percentile
- CWE
- CWE-20
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Report tools
Action score
30
Monitor
Low priority for now.
- CVSS
- 30 / 40 · 7.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.3%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · qualcomm
- 7.5
- NVD has not scored this yet; the score shown is the CNA’s.
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| qualcomm | 315 5g iot modem firmware | cpe:2.3:o:qualcomm:315_5g_iot_modem_firmware |
| qualcomm | 315 5g iot modem | cpe:2.3:h:qualcomm:315_5g_iot_modem |
| qualcomm | ar8035 firmware | cpe:2.3:o:qualcomm:ar8035_firmware |
| qualcomm | ar8035 | cpe:2.3:h:qualcomm:ar8035 |
| qualcomm | fastconnect 6200 firmware | cpe:2.3:o:qualcomm:fastconnect_6200_firmware |
| qualcomm | fastconnect 6200 | cpe:2.3:h:qualcomm:fastconnect_6200 |
| qualcomm | fastconnect 6700 firmware | cpe:2.3:o:qualcomm:fastconnect_6700_firmware |
| qualcomm | fastconnect 6700 | cpe:2.3:h:qualcomm:fastconnect_6700 |
| qualcomm | fastconnect 6800 firmware | cpe:2.3:o:qualcomm:fastconnect_6800_firmware |
| qualcomm | fastconnect 6800 | cpe:2.3:h:qualcomm:fastconnect_6800 |
| qualcomm | fastconnect 6900 firmware | cpe:2.3:o:qualcomm:fastconnect_6900_firmware |
| qualcomm | fastconnect 6900 | cpe:2.3:h:qualcomm:fastconnect_6900 |
and 188 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- qualcomm 315 5g iot modem firmwareall versions
- qualcomm ar8035 firmwareall versions
- qualcomm fastconnect 6200 firmwareall versions
- qualcomm fastconnect 6700 firmwareall versions
- qualcomm fastconnect 6800 firmwareall versions
- qualcomm fastconnect 6900 firmwareall versions
- qualcomm fastconnect 7800 firmwareall versions
- qualcomm qca6174a firmwareall versions
- qualcomm qca6391 firmwareall versions
- qualcomm qca6421 firmwareall versions
- qualcomm qca6426 firmwareall versions
- qualcomm qca6431 firmwareall versions
- qualcomm qca6436 firmwareall versions
- qualcomm qca6574a firmwareall versions
- qualcomm qca6584au firmwareall versions
- qualcomm qca6595au firmwareall versions
- qualcomm qca6696 firmwareall versions
- qualcomm qca6698aq firmwareall versions
- qualcomm qca8081 firmwareall versions
- qualcomm qca8337 firmwareall versions
Versions reported by the vendor
Affected version ranges reported by the assigning authority (qualcomm). Independent of NVD's CPE analysis and usually ahead of it.
Qualcomm, Inc. Snapdragon
- 315 5G IoT Modem, AR8035, FastConnect 6200, FastConnect 6700, FastConnect 6800, FastConnect 6900, FastConnect 7800, QCA6174A, QCA6391, QCA6421, QCA6426, QCA6431 … (+28)affected
Same product
qualcomm: all recordsOther highest-scoring records for the same primary product.
- CVE-2023-33107Integer Overflow or Wraparound in Graphics LinuxKEV61This week
- CVE-2023-33063Use After Free in DSP ServicesKEV61This week
- CVE-2023-22388Use of Out-of-range Pointer Offset in Multi-mode Call Processor39Monitor
- CVE-2023-22385Buffer Over-read in Data Modem39Monitor
- CVE-2023-33054Improper Authentication in GPS HLOS Driver36Monitor
- CVE-2023-28585Integer Overflow to Buffer Overflow in TZ Secure OS35Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2023-2857827 days apartImproper Input Validation in Services31Monitor
- CVE-2023-3310427 days apartImproper input Validation in Multi-Mode Call Processor30Monitor
- CVE-2023-3309955 days apartImproper Input Validation in Multi-Mode Call Processor30Monitor
- CVE-2023-3304264 days apartImproper Input Validation in Modem30Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-20 · Improper Input ValidationCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Server Side Include (SSI) InjectionCAPEC-101likelihood: High · High
- Cross Zone ScriptingCAPEC-104likelihood: Medium · High
- Command Line Execution through SQL InjectionCAPEC-108likelihood: Low · Very High
- Object Relational Mapping InjectionCAPEC-109likelihood: Low · High
- SQL Injection through SOAP Parameter TamperingCAPEC-110likelihood: High · Very High
- Double EncodingCAPEC-120likelihood: Low · Medium
- Subverting Environment Variable ValuesCAPEC-13likelihood: High · Very High
ATT&CK techniques
- Obfuscated Files or InformationT1027
- Masquerading: Invalid Code SignatureT1036.001
- Steal Web Session CookieT1539
- Subvert Trust Controls: Code SigningT1553.002
- Impair Defenses:Impair Command History LoggingT1562.003
- Hijack Execution Flow:Dynamic Linker HijackingT1574.006
- Hijack Execution Flow:Path Interception by PATH Environment VariableT1574.007
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.