CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.4 | $0-$5k | 0.00 |
A vulnerability has been found in CODESYS Web Server up to 3.5.15.19 (Web Server) and classified as critical. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow.
The weakness was disclosed 11/20/2019. This vulnerability was named CVE-2019-18858 since 11/11/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.
Upgrading to version 3.5.15.20 eliminates this vulnerability.
Product
Type
Vendor
Name
Version
- 3.5.15.0
- 3.5.15.1
- 3.5.15.2
- 3.5.15.3
- 3.5.15.4
- 3.5.15.5
- 3.5.15.6
- 3.5.15.7
- 3.5.15.8
- 3.5.15.9
- 3.5.15.10
- 3.5.15.11
- 3.5.15.12
- 3.5.15.13
- 3.5.15.14
- 3.5.15.15
- 3.5.15.16
- 3.5.15.17
- 3.5.15.18
- 3.5.15.19
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Web Server 3.5.15.20
Timeline
11/11/2019 🔍11/20/2019 🔍
11/21/2019 🔍
02/24/2024 🔍
Sources
Advisory: customers.codesys.comStatus: Not defined
CVE: CVE-2019-18858 (🔍)
Entry
Created: 11/21/2019 08:14Updated: 02/24/2024 00:04
Changes: 11/21/2019 08:14 (36), 11/21/2019 08:19 (18), 02/24/2024 00:04 (4)
Complete: 🔍
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