ZeusQA
Start free

Known exploited vulnerability

CVE-2021-25489

mediumCVSS 3.1 5.5In CISA KEVEPSS 0.53%Published · Samsung Mobile

The short answer

CVE-2021-25489 affects Samsung Mobile Samsung Mobile Devices and is rated medium (CVSS 5.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-06-29: attackers are using it, so patch it first.

What it is

Assuming radio permission is gained, missing input validation in modem interface driver prior to SMR Oct-2021 Release 1 results in format string bug leading to kernel panic.

Weakness: CWE-20, CWE-134.

Severity

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploited (CISA KEV)

Yes, since Jun 29, 2023

Federal due date Jul 20, 2023

EPSS, next 30 days

0.53%

Higher than 45% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

What CISA says to do

Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

Affected products

Samsung Mobile Devices. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2021-25489 being exploited?

Yes. CISA added CVE-2021-25489 to its Known Exploited Vulnerabilities catalog on 2023-06-29, with a federal remediation due date of 2023-07-20.

How do I fix CVE-2021-25489?

CISA's required action: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

Related

Know the day a CVE lands in your code

Connect a GitHub repository and ZeusQA checks its dependencies daily, briefs each advisory and opens the fix. Three test runs free, no card.

Start freeSee how a run works