#VU57351 Information disclosure in SRC Series - CVE-2021-31352

Vulnerability identifier: #VU57351

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-31352

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SRC Series
Hardware solutions / Firmware

Vendor: Juniper Networks, Inc.

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to NETCONF over SSH permits the negotiation of weak ciphers. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SRC Series: before 4.13.0-R6

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External links
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA11217&cat=SIRT_1&actp=LIST

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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.