Multiple vulnerabilities in JetBrains IntelliJ IDEA
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2021-25756 CVE-2021-25758 |
| CWE-ID | CWE-319 CWE-502 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
IntelliJ IDEA Web applications / Modules and components for CMS |
| Vendor | JetBrains s.r.o. |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Cleartext transmission of sensitive information
EUVDB-ID: #VU50377
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-25756
CWE-ID:
CWE-319 - Cleartext Transmission of Sensitive Information
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to software uses insecure communication channel (e.g. HTTP instead of HTTPS) to transmit sensitive information from several remote repositories. A remote attacker with ability to intercept network traffic can gain access to sensitive data.
MitigationInstall updates from vendor's website.
Vulnerable software versionsIntelliJ IDEA: 11.0 - 2020.1.4
External linkshttp://blog.jetbrains.com/blog/2021/02/03/jetbrains-security-bulletin-q4-2020/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Deserialization of Untrusted Data
EUVDB-ID: #VU50376
Risk: Medium
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-25758
CWE-ID:
CWE-502 - Deserialization of Untrusted Data
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data of the workspace model. A remote user can pass specially crafted data to the application and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsIntelliJ IDEA: 2017.1.3 - 2020.2.4
External linkshttp://blog.jetbrains.com/blog/2021/02/03/jetbrains-security-bulletin-q4-2020/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
