HOMEVULNERABILITIESCVE-2020-35491
HIGH

CVE-2020-35491

CWE-502Published: December 17, 2020· Updated: Jun 17, 2026

8.1
CVSS v3.1

Official Description

FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.commons.dbcp2.datasources.SharedPoolDataSource.

NVD Source

Technical Analysis

CVE-2020-35491 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.

From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
fasterxml1 product(s)
jackson-databind
netapp1 product(s)
service level manager
Oracle23 product(s)
agile plmapplication testing suiteautovue for agile product lifecycle managementbanking platformbanking treasury managementbanking virtual account managementblockchain platformcommunications cloud native core policycommunications cloud native core unified data repositorycommunications diameter signaling routecommunications evolved communications application servercommunications instant messaging server+11
Source: NVD CPE · 39 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (20)

Quick Facts

CVE IDCVE-2020-35491
CVSS Score8.1 / 10
SeverityHIGH
WeaknessCWE-502
CISA KEVNo
Affected4 vendor(s)
PublishedDec 17, 2020

Related CVEs (CWE-502)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-35491 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.