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CVE-2021-1891
CVE-2021-1891
AI summary snake-internal / snake-template-v1
A weakness called CVE-2021-1891 was discovered in the affected product.
Severity is Info. Low severity or not yet rated.
What you should do: update the affected software to the latest version. If unsure, ask your IT team or search the vendor's site for "the product CVE-2021-1891".
CVE-2021-1891 (the affected product). Severity: Info.
Response plan:
1. Check the vendor advisory for affected versions and the patched release.
2. If a vulnerable version is running in production, schedule maintenance (urgency from KEV/CVSS).
3. If no patch yet, mitigate via WAF rule, disabling the affected feature, etc.
4. Monitor logs / SIEM for known IOC and PoC signatures of this CVE.
PoCs and fix commits: see the 'References' section, MITRE, and NVD.
❓ What is the problem
A weakness (CVE-2021-1891) in the affected product. A serious software flaw has been identified.
📍 Affected scope
Target versions of the affected product (see vendor advisory). If running in production, identify exposure immediately.
🔥 Severity
Severity: Info. Low severity or not yet rated.
🔧 How to fix
Update to the patched release as listed in the vendor advisory.
🛡️ Workaround
If a patch is not yet available, consider disabling the affected feature, applying WAF rules, blocking via network ACLs, or isolating the vulnerable version.
🔍 Detection
Check version information, scan dependencies via SBOM, and monitor SIEM for IOC and PoC signatures related to this CVE.
Affected packages
Android
:linux_kernel:Qualcomm
[{"type":"ECOSYSTEM","events":[{"introduced":"SoCVersion:0"},{"fixed":"SoCVersion:2021-05-05"}]}]
References
- advisory https://source.android.com/security/bulletin/2021-05-01
- patch https://source.codeaurora.org/quic/la/platform/vendor/opensource/audio-kernel/commit/?id=97d18542c1972524964f2cfce6a3bd9abe8a1a35
- patch https://source.codeaurora.org/quic/la/platform/vendor/opensource/audio-kernel/commit/?id=e4463e36c84b5fbf9aefc3f327aa4a7b8dc45f67