IBM DB2 Recovery Expert 5.5 integrity check

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in IBM DB2 Recovery Expert 5.5. It has been rated as problematic. Affected is an unknown function. The manipulation leads to integrity check. This vulnerability is traded as CVE-2026-3856. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in IBM DB2 Recovery Expert 5.5. It has been rated as problematic. This issue affects an unknown function. The manipulation with an unknown input leads to a integrity check vulnerability. Using CWE to declare the problem leads to CWE-353. The product uses a transmission protocol that does not include a mechanism for verifying the integrity of the data during transmission, such as a checksum. Impacted is integrity. The summary by CVE is:

IBM Db2 Recovery Expert for Linux, UNIX and Windows 5.5 IF 2 could allow an attacker to modify or corrupt data due to an insecure mechanism used for verifying the integrity of the data during transmission.

The advisory is shared at ibm.com. The identification of this vulnerability is CVE-2026-3856 since 03/09/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/21/2026).

The vulnerability scanner Nessus provides a plugin with the ID 303010 (Linux Distros Unpatched Vulnerability : CVE-2026-3856), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (303010). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔒

CNA Base Score: 5.3
CNA Vector (ibm): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Integrity check
CWE: CWE-353
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 303010
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-3856

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/09/2026 CVE reserved
03/18/2026 +9 days Advisory disclosed
03/18/2026 +0 days VulDB entry created
03/21/2026 +3 days VulDB entry last update

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2026-3856 (🔒)
GCVE (CVE): GCVE-0-2026-3856
GCVE (VulDB): GCVE-100-351449

Entryinfo

Created: 03/18/2026 02:56
Updated: 03/21/2026 22:36
Changes: 03/18/2026 02:56 (61), 03/19/2026 18:17 (2), 03/21/2026 22:36 (13)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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