CVE-2023-28980Junos OS and Junos OS Evolved: In a BGP rib sharding scenario an rpd crash will happen shortly after a specific CLI command is issued

Description

A Use After Free vulnerability in the routing protocol daemon of Juniper Networks Junos OS and Junos OS Evolved allows a locally authenticated attacker with low privileges to cause Denial of Service (DoS). In a rib sharding scenario the rpd process will crash shortly after specific CLI command is issued. This issue is more likely to occur in a scenario with high route scale (>1M routes). This issue affects: Juniper Networks Junos OS * 20.2 version 20.2R3-S5 and later versions prior to 20.2R3-S6; * 20.3 version 20.3R3-S2 and later versions prior to 20.3R3-S5; * 20.4 version 20.4R3-S1 and later versions prior to 20.4R3-S4 * 21.1 version 21.1R3 and later versions prior to 21.1R3-S3; * 21.2 version 21.2R1-S2, 21.2R2-S1 and later versions prior to 21.2R3-S2; * 21.3 version 21.3R2 and later versions prior to 21.3R3; * 21.4 versions prior to 21.4R2-S1, 21.4R3; * 22.1 versions prior to 22.1R2. Juniper Networks Junos OS Evolved * 20.4-EVO version 20.4R3-S1-EVO and later versions prior to 20.4R3-S6-EVO; * 21.2-EVO version 21.2R1-S2-EVO and later versions prior to 21.2R3-S4-EVO; * 21.3-EVO version 21.3R2-EVO and later versions prior to 21.3R3-S1-EVO; * 21.4-EVO versions prior to 21.4R2-S1-EVO, 21.4R3-EVO; * 22.1-EVO versions prior to 22.1R2-EVO.

Timeline

Scores

EPSS (exploitation in 30 days)

0.17% · top 93% of all CVEs (12 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Affected products

• Juniper Networks · Junos OS

  • affected 20.2R3-S5 – < 20.2R3-S6
  • affected 20.3R3-S2 – < 20.3R3-S5
  • affected 20.4R3-S1 – < 20.4R3-S4
  • affected 21.1R3 – < 21.1R3-S3
  • affected 21.2R1-S2, 21.2R2-S1 – < 21.2R3-S2
  • affected 21.3R2 – < 21.3R3
  • affected 21.4R1 – < 21.4R2-S1, 21.4R3
  • affected 22.1R1 – < 22.1R2

• Juniper Networks · Junos OS Evolved

  • affected 20.4R3-S1-EVO – < 20.4R3-S6-EVO
  • affected 21.2R1-S2-EVO – < 21.2R3-S4-EVO
  • affected 21.3R2-EVO – < 21.3R3-S1-EVO
  • affected 21.4R1-EVO – < 21.4R2-S1-EVO, 21.4R3-EVO
  • affected 22.1R1-EVO – < 22.1R2-EVO

What to do

Solution: The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 20.4R3-S6-EVO, 21.2R3-S4-EVO, 21.3R3-S1-EVO, 21.4R2-S1-EVO, 21.4R3-EVO, 22.1R2-EVO, 22.2R1-EVO, and all subsequent releases. Junos OS: 20.2R3-S6, 20.3R3-S5, 20.4R3-S4, 21.1R3-S3, 21.2R3-S2, 21.3R3, 21.4R2-S1, 21.4R3, 22.1R2, 22.2R1, and all subsequent releases.

Workaround: There are no known workarounds for this issue. To reduce the risk of exploitation use access controls to limit CLI access to the device only from trusted networks, hosts and users.

Exploitation: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• EUVD EUVD-2023-32598 (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2023-28980](https://cveledger.app/badge/CVE-2023-28980.svg)](https://cveledger.app/cve/CVE-2023-28980)

Record last updated 5 Feb 2025, 21:41 UTC.