janus-gateway up to 0.10.0 sdp.c janus_sdp_process null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in janus-gateway up to 0.10.0 and classified as problematic. Affected is the function janus_sdp_process of the file sdp.c. Executing a manipulation can lead to null pointer dereference.
This vulnerability is handled as CVE-2020-13898. The attack can be executed remotely. There is not any exploit available.
Details
A vulnerability has been found in janus-gateway up to 0.10.0 and classified as problematic. This vulnerability affects the function janus_sdp_process of the file sdp.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:
An issue was discovered in janus-gateway (aka Janus WebRTC Server) through 0.10.0. janus_sdp_process in sdp.c has a NULL pointer dereference.
The weakness was released 06/10/2020 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability was named CVE-2020-13898 since 06/07/2020. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 246659 (Linux Distros Unpatched Vulnerability : CVE-2020-13898), 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 vulnerability database at Tenable (246659). Entries connected to this vulnerability are available at VDB-156497, VDB-156498 and VDB-156499. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.2
VulDB Base Score: 5.3
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
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: 246659
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2020-13898
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
06/07/2020 🔍06/10/2020 🔍
06/11/2020 🔍
08/09/2025 🔍
Sources
Advisory: github.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2020-13898 (🔍)
GCVE (CVE): GCVE-0-2020-13898
GCVE (VulDB): GCVE-100-156496
See also: 🔍
Entry
Created: 06/11/2020 10:30Updated: 08/09/2025 17:26
Changes: 06/11/2020 10:30 (38), 06/11/2020 10:35 (17), 10/23/2020 20:47 (1), 08/09/2025 17:26 (19)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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