Vulnerability · Published Oct 19, 2021 · Assigned by juniper

CVE-2021-31352SRC Series: NETCONF over SSH allows negotiation of weak ciphers

Medium 5.3

In plain English

A medium-severity information exposure in SRC Series from Juniper Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.8%top 42.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

An Information Exposure vulnerability in Juniper Networks SRC Series devices configured for NETCONF over SSH permits the negotiation of weak ciphers, which could allow a remote attacker to obtain sensitive information. A remote attacker with read and write access to network data could exploit this vulnerability to display plaintext bits from a block of ciphertext and obtain sensitive information. This issue affects all Juniper Networks SRC Series versions prior to 4.13.0-R6.

Affected products (as reported)

Vendor	Product	Versions
Juniper Networks	SRC Series	unspecified – before 4.13.0-R6

Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

https://kb.juniper.net/JSA11217 x_refsource_CONFIRM