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TI-2021-11496 Aliases CVE-2021-31352GHSA-pq3v-r83j-pgg5

SRC Series: NETCONF over SSH allows negotiation of weak ciphers

Priority LOW 26CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.

Summary

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.

Why it matters now

EPSS 0.00834 57th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed SRC Series (Juniper Networks): 4.13.0-R6

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
JuniperSRC Seriesbefore 4.13.0-R64.13.0-R6Patch availableCNA
  • SRC Series VendorJuniper Affected before 4.13.0-R6 Fixed in 4.13.0-R6 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:juniper:session_and_resource_control:*:*:*:*:*:*:*:*before 4.130r6VulnerableJuniper
  • cpe:2.3:a:juniper:session_and_resource_control:*:*:*:*:*:*:*:* Versions before 4.130r6 Vulnerable ·Juniper

Remediation

  • Fix · CNA SRC Series (Juniper Networks) Fixed in 4.13.0-R6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-31352
  2. 2026-10-03 Alias added: GHSA-pq3v-r83j-pgg5

References

Exploit 1

  • TI-2008-00921 SNMPv3 HMAC verification in (1) Net-SNMP 5.2.x before 5.2.4.1, 5.3.x before 5.3.2.1, and… CVSS 2.0HIGH 10.0
  • TI-2021-11525 SRC Series: A remote attacker sending a specially crafted query may cause the web server to delete files CVSS 3.1CRITICAL 9.1
  • TI-2021-11524 Information disclosure in Juniper SRC Series CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences