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UBUNTU-CVE-2020-8203

Prototype pollution attack when using _.zipObjectDeep in lodash before 4.17.20.

AI summary snake-internal / snake-template-v1

A weakness called UBUNTU-CVE-2020-8203 was discovered in Prototype pollution attack when. 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 "Prototype pollution attack when UBUNTU-CVE-2020-8203".
UBUNTU-CVE-2020-8203 (Prototype pollution attack when). 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 (UBUNTU-CVE-2020-8203) in Prototype pollution attack when. A serious software flaw has been identified.
📍 Affected scope
Target versions of Prototype pollution attack when (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

Ubuntu:16.04:LTS node-lodash
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:18.04:LTS node-lodash
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:20.04:LTS node-lodash
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:22.04:LTS node-lodash
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:24.04:LTS node-lodash
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:25.10 node-lodash
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:26.04:LTS node-lodash
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Ubuntu:Pro:18.04:LTS node-lodash
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.4+dfsg-1ubuntu0.1~esm1"}]}]
Ubuntu:Pro:20.04:LTS node-lodash
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.17.15+dfsg-2ubuntu0.1~esm1"}]}]

References

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