Code Blocks 20.03 Search Field Code::Blocks FSymbols allocation of resources
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Code Blocks 20.03. It has been rated as problematic. This issue affects the function Code::Blocks of the component Search Field Handler. This manipulation of the argument FSymbols causes allocation of resources.
This vulnerability is tracked as CVE-2020-37038. The attack is restricted to local execution. Moreover, an exploit is present.
Details
A vulnerability classified as problematic was found in Code Blocks 20.03. Affected by this vulnerability is the function Code::Blocks of the component Search Field Handler. The manipulation of the argument FSymbols with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability. The summary by CVE is:
Code Blocks 20.03 contains a denial of service vulnerability that allows attackers to crash the application by manipulating input in the FSymbols search field. Attackers can paste a large payload of 5000 repeated characters into the search field to trigger an application crash.
The weakness was disclosed by Paras Bhatia as 48617. It is possible to read the advisory at exploit-db.com. This vulnerability is known as CVE-2020-37038 since 01/28/2026. The exploitation appears to be easy. Attacking locally is a requirement. Technical details and also a public exploit are known.
It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 297439 (Linux Distros Unpatched Vulnerability : CVE-2020-37038), which helps to determine the existence of the flaw in a target environment.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at Exploit-DB (48617), Tenable (297439) and EUVD (EUVD-2020-30940). Be aware that VulDB is the high quality source for vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.2
VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.5
CNA Vector (VulnCheck): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Allocation of resourcesCWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 297439
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2020-37038
Exploit-DB: 🔒
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
01/28/2026 CVE reserved01/31/2026 Advisory disclosed
01/31/2026 VulDB entry created
02/01/2026 VulDB entry last update
Sources
Advisory: 48617Researcher: Paras Bhatia
Status: Not defined
CVE: CVE-2020-37038 (🔒)
GCVE (CVE): GCVE-0-2020-37038
GCVE (VulDB): GCVE-100-343567
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 01/31/2026 03:28Updated: 02/01/2026 09:19
Changes: 01/31/2026 03:28 (80), 01/31/2026 12:22 (1), 02/01/2026 09:19 (2)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.