An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor, and Modem (Exynos 9820, Exynos 980, Exynos 850, Exynos 108
An issue was discovered in Samsung Exynos Mobile Processor, Automotive Processor, and Modem (Exynos 9820, Exynos 980, Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123. In the NAS Task, an improperly implemented security check for standard can disallow desired services for a while via consecutive NAS messages.
- Published
- Sep 7, 2023
- Updated
- Jun 17, 2026
- EPSS
- 0.5% · 43th percentile
- CWE
- CWE-863
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Report tools
Action score
21
Monitor
Low priority for now.
- CVSS
- 21 / 40 · 5.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.5%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 5.3
- CNA · mitre
- 5.3
- agree
CVSS:3.1/AC:L/AV:N/A:L/C:N/I:N/PR:N/S:U/UI:N
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
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 helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| samsung | exynos 9820 firmware | cpe:2.3:o:samsung:exynos_9820_firmware |
| samsung | exynos 9820 | cpe:2.3:h:samsung:exynos_9820 |
| samsung | exynos 980 firmware | cpe:2.3:o:samsung:exynos_980_firmware |
| samsung | exynos 980 | cpe:2.3:h:samsung:exynos_980 |
| samsung | exynos 850 firmware | cpe:2.3:o:samsung:exynos_850_firmware |
| samsung | exynos 850 | cpe:2.3:h:samsung:exynos_850 |
| samsung | exynos 1080 firmware | cpe:2.3:o:samsung:exynos_1080_firmware |
| samsung | exynos 1080 | cpe:2.3:h:samsung:exynos_1080 |
| samsung | exynos 2100 firmware | cpe:2.3:o:samsung:exynos_2100_firmware |
| samsung | exynos 2100 | cpe:2.3:h:samsung:exynos_2100 |
| samsung | exynos 2200 firmware | cpe:2.3:o:samsung:exynos_2200_firmware |
| samsung | exynos 2200 | cpe:2.3:h:samsung:exynos_2200 |
and 12 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- samsung exynos 1080 firmwareall versions
- samsung exynos 1280 firmwareall versions
- samsung exynos 1330 firmwareall versions
- samsung exynos 1380 firmwareall versions
- samsung exynos 2100 firmwareall versions
- samsung exynos 2200 firmwareall versions
- samsung exynos 850 firmwareall versions
- samsung exynos 980 firmwareall versions
- samsung exynos 9820 firmwareall versions
- samsung exynos auto t5123 firmwareall versions
- samsung exynos modem 5123 firmwareall versions
- samsung exynos modem 5300 firmwareall versions
Same product
samsung: all recordsOther highest-scoring records for the same primary product.
- CVE-2024-44068An issue was discovered in the m2m scaler driver in Samsung Mobile Processor and Wearable Processor Exynos 9820, 9825, 980, 990, 850,and W9232Monitor
- CVE-2024-29153A vulnerability was discovered in Samsung Mobile Processor, Wearable Processor, and Modems with versions Exynos 9820, Exynos 9825, Exynos 9832Monitor
- CVE-2024-52924An issue was discovered in NRMM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 9820, 9825, 980, 990, 850, 1080, 2100, 12830Monitor
- CVE-2024-52923An issue was discovered in NRMM in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 9820, 9825, 980, 990, 850, 1080, 2100, 12830Monitor
- CVE-2023-49928An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, Exynos 990, Exynos 850, Exynos 1080, Exynos 230Monitor
- CVE-2024-46920An issue was discovered in Samsung Mobile Processor Exynos 9820, 9825, 980, 990, 850, 1080, 2100, and 1280.26Monitor
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.
No nightly-computed relations.
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
- low · 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
- Low
Weakness class (CWE)
CWE-863 · Incorrect AuthorizationCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
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.