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CVE-2020-5408

Dictionary attack with Spring Security queryable text encryptor

No known exploitation. EPSS puts it in the 76th percentile. Fixed versions are out.

CVSS 3.16.5MediumEPSS percentile76th1.6% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix5 products5 fixed builds listed below
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OpenVAS · 1 check

e.g. OID 1.3.6.1.4.1.25623.1.0.144724

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Published Updated Sources: CVE.org, NVD, GitHub, BDU

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Spring by VMware Spring SecurityAffected: ≥ 4.2, < 4.2.16Upgrade to: 4.2.16Affected: ≥ 5.0, < 5.0.16Upgrade to: 5.0.16Affected: ≥ 5.1, < 5.1.10Upgrade to: 5.1.10Affected: ≥ 5.2, < 5.2.4Upgrade to: 5.2.4 + 1 more branchStated by: CVE record
  • Maven org.springframework.security:spring-security-coreAffected: ≥ 5.3.0, < 5.3.2Upgrade to: 5.3.2Stated by: GitHub advisory
  • Pivotal Software Spring SecurityAffected: ≥ 5.2.0, < 5.2.4Upgrade to: 5.2.4Stated by: NVD
  • Vmware Spring SecurityAffected: ≥ 4.2.0, < 4.2.16Upgrade to: 4.2.16Stated by: NVD
  • Oracle Corp. Oracle Communications Element ManagerAffected: от 8.2.0 до 8.2.2 включительноUpgrade to: not statedStated by: BDU

Versions as the sources state them. 5 more products have version data. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

Spring Security versions 5.3.x prior to 5.3.2, 5.2.x prior to 5.2.4, 5.1.x prior to 5.1.10, 5.0.x prior to 5.0.16 and 4.2.x prior to 4.2.16 use a fixed null initialization vector with CBC Mode in the implementation of the queryable text encryptor. A malicious user with access to the data that has been encrypted using such an encryptor may be able to derive the unencrypted values using a dictionary attack.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS76th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

1.6% chance of exploitation activity in the next 30 days, which ranks it in the 76th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

6 events over 2233 days, from the signal feeds we watch.

  1. OpenVAS check added
  2. Patch availablerecord updated
  3. Publishedweakness classified, att&ck mapped

Affected products

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

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

Scored 6.5 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required LowRequires basic user-level privileges
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity NoneNo integrity impact
  • Availability NoneNo availability impact

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 4 more references. See all after sign-in

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