Multiple vulnerabilities in mongo-express
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2020-7788 CVE-2020-7774 CVE-2021-27290 |
| CWE-ID | CWE-94 CWE-185 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #2 is available. |
| Vulnerable software Subscribe |
mongo-express Web applications / Other software |
| Vendor | MongoDB, Inc. |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Prototype pollution
EUVDB-ID: #VU66955
Risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-7788
CWE-ID:
CWE-94 - Improper Control of Generation of Code ('Code Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to improper input validation when handling INI files. A remote attacker can pass a specially crafted INI file to the application and perform prototype pollution attacks.
Install update from vendor's website.
Vulnerable software versionsmongo-express: 0.2.1 - 1.0.0 alpha.4
External linkshttp://github.com/mongo-express/mongo-express/releases/tag/v1.0.0
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) Prototype pollution
EUVDB-ID: #VU52909
Risk: Medium
CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-7774
CWE-ID:
CWE-94 - Improper Control of Generation of Code ('Code Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary JavaScript code.
The vulnerability exists due to improper input validation. A remote attacker can send a specially crafted request and execute arbitrary JavaScript code.
Install update from vendor's website.
Vulnerable software versionsmongo-express: 0.2.1 - 1.0.0 alpha.4
External linkshttp://github.com/mongo-express/mongo-express/releases/tag/v1.0.0
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. However, proof of concept for this vulnerability is available.
3) Incorrect Regular Expression
EUVDB-ID: #VU52194
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-27290
CWE-ID:
CWE-185 - Incorrect Regular Expression
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect processing of SRIs. A remote attacker can pass specially crafted input to the application and perform regular expression denial of service (ReDoS) attack.
Install update from vendor's website.
Vulnerable software versionsmongo-express: 0.2.1 - 1.0.0 alpha.4
External linkshttp://github.com/mongo-express/mongo-express/releases/tag/v1.0.0
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.
