IBM Informix Dynamic Server 12.10/14.10/15.0 integer underflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in IBM Informix Dynamic Server 12.10/14.10/15.0 and classified as critical. Affected by this issue is some unknown functionality. This manipulation causes integer underflow. The identification of this vulnerability is CVE-2025-1991. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in IBM Informix Dynamic Server 12.10/14.10/15.0. It has been declared as critical. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a integer underflow vulnerability. The CWE definition for the vulnerability is CWE-191. The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. As an impact it is known to affect availability. The summary by CVE is:

IBM Informix Dynamic Server 12.10,14.10, and15.0 could allow a remote attacker to cause a denial of service due to an integer underflow when processing packets.

The weakness was shared by cnwangjihe. It is possible to read the advisory at ibm.com. This vulnerability is known as CVE-2025-1991 since 03/05/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/14/2025).

The vulnerability scanner Nessus provides a plugin with the ID 241366 (IBM Informix Dynamic Server 12.10.x / 14.10.x DoS (7238455)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (241366) and EUVD (EUVD-2025-19451). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (ibm): 🔍

CVSSv2info

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

Exploitinginfo

Class: Integer underflow
CWE: CWE-191 / CWE-189
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: 241366
Nessus Name: IBM Informix Dynamic Server 12.10.x / 14.10.x DoS (7238455)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/05/2025 🔍
06/28/2025 +114 days 🔍
06/28/2025 +0 days 🔍
08/14/2025 +47 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Researcher: cnwangjihe
Status: Confirmed

CVE: CVE-2025-1991 (🔍)
GCVE (CVE): GCVE-0-2025-1991
GCVE (VulDB): GCVE-100-314359
EUVD: 🔍

Entryinfo

Created: 06/28/2025 15:19
Updated: 08/14/2025 06:17
Changes: 06/28/2025 15:19 (64), 06/28/2025 16:35 (1), 07/04/2025 19:56 (2), 08/14/2025 06:17 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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