CVE-2021-38000
What it is
Insufficient validation of untrusted input in Intents in Google Chrome on Android prior to 95.0.4638.69 allowed a remote attacker to arbitrarily browser to a malicious URL via a crafted HTML page.
At a glance
- Exploitability
- Can be exploited over the network without logging in, but needs a user to act. Limited direct impact.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- ReservedThe CVE id was reserved by its CNA
- 2021-11-03 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2021-11-17 Remediation deadlineCISA's due date for federal agencies to fix it
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 4.9% in the next 30 days (EPSS).
- Severity: 6.1 MEDIUM (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Added to CISA KEV
- 2021-11-03
- Exploit probability
- 4.9% · EPSS, next 30 days
- Weakness
- CWE-601
- Record status
- Analyzed
Affected
- Google Chrome < 95.0.4638.69
- Fedoraproject Fedora 34
- Debian Linux 10.0
- Debian Linux 11.0
Attack profile CVSS 3.1 · 6.1
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-38000.md and follow it. Check whether this project is affected by CVE-2021-38000. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
References
- https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_28.html
- https://crbug.com/1249962
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744/
- https://www.debian.org/security/2022/dsa-5046
- https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_28.html
- https://crbug.com/1249962
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W46HRT2UVHWSLZB6JZHQF6JNQWKV744/
- https://www.debian.org/security/2022/dsa-5046
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38000