dbcve.org
HTTP ServerWeb server / proxy · Oracle

CVE-2020-35169

CRITICAL · 9.8 CVSS v3.1 Published 2022-07-11
Fix available
A fix is available. Upgrade to 4.1.5 / 4.5.2 or later.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Dell BSAFE Crypto-C Micro Edition, versions before 4.1.5, and Dell BSAFE Micro Edition Suite, versions before 4.5.2, contain an Improper Input Validation Vulnerability.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis
How this class of weakness works · CWE-347

The application accepts signed data without properly verifying the signature, so an attacker can forge or tamper with content that the system is meant to trust — tokens, updates, licences. Everything built on that trust then becomes unreliable. Remediation is verifying every signature against the correct key and rejecting anything that does not validate.

General guidance for the improper signature verification class — the official description and references above are authoritative for this specific CVE. Want a bespoke review and a reviewed fix? Ask our team →

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
HTTP ServerWeb server / proxy
Affected:= 12.2.1.3.0= 12.2.1.4.0
Bsafe Crypto C Micro EditionApplication
Affected:< 4.1.5
Bsafe Micro Edition SuiteApplication
Affected:< 4.5.2
DatabaseDatabase / datastore
Affected:= 12.1.0.2= 19c= 21c
Security ServiceApplication
Affected:= 12.2.1.3.0= 12.2.1.4.0
Weblogic Server Proxy Plug InApplication
Affected:= 12.2.1.3.0= 12.2.1.4.0

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 4.1.5 / 4.5.2 or later
Fixed in 4.1.54.5.2
Vendor patch www.oracle.com →
Recommended fix High confidence

Bsafe Crypto-C Micro Edition 4.1.5 or later; Bsafe Micro Edition Suite 4.5.2 or later

  1. 1. Review the Oracle July 2022 Critical Patch Update (CPU) at https://www.oracle.com/security-alerts/cpujul2022.html for CVE-2020-35169
  2. 2. Identify all affected Oracle products in your environment (HTTP Server, Database, WebLogic Server Proxy Plug-In, Security Service)
  3. 3. Download and apply the corresponding security patches for each affected Oracle product from Oracle Support
  4. 4. For any custom applications using Dell BSAFE libraries directly, upgrade BSAFE Crypto-C Micro Edition to version 4.1.5 or later
  5. 5. For any custom applications using Dell BSAFE libraries directly, upgrade BSAFE Micro Edition Suite to version 4.5.2 or later
  6. 6. After patching, restart all affected services to ensure the new libraries are loaded
  7. 7. Verify the patch was applied successfully by checking the patched library versions
Caveat Patches should be backward compatible; test in staging environment before production deployment

Generated from the published advisory — verify against the referenced sources before acting.

We can perform the upgrade in your staging environment and verify nothing breaks — typical engagement from $2,300. Get the upgrade done

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2020-35169 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
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