CVE-2024-20381: A vulnerability in the JSON-RPC API feature in Cisco Crosswork Network Services Orchestrator (NSO) and ConfD t

This month

HIGH 8.8MITIGATEDOWNGRADEMITIGATE

CVE-2024-20381 is a high-severity flaw (CVSS 8.8) affecting ios xr, network services orchestrator, small business rv series router firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability in the JSON-RPC API feature in Cisco Crosswork Network Services Orchestrator (NSO) and ConfD that is used by the web-based management interfaces of Cisco Optical Site Manager and Cisco RV340 Dual WAN Gigabit VPN Routers could allow an authenticated, remote attacker to modify the configuration of an affected application or device.  This vulnerability is due to improper authorization checks on the API. An attacker with privi

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-285
Published	2024-09-11
Last modified	2026-06-17

Publisher (CNA): Cisco Systems, Inc. · Vendor: cisco

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-09-11 17:15 UTCPublished CVE record published
2026-06-17 07:06 UTCUpdated Record last modified

cisco ios xr MITIGATE

Affected: 6.5.1 · 6.5.2 · 6.5.3 · 6.5.15 · 6.5.25 · 6.5.26 · 6.5.28 · 6.5.29

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.5.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

cisco network services orchestrator DOWNGRADE

Affected: 4.4.1 · 4.5.1 · 4.7.1 · 4.7.3 · 5.1.1.1 · 5.1.1.3 · 5.1.2 · 5.1.4.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.4.1

1. Check installed version

apt-cache policy network-services-orchestrator || rpm -q network-services-orchestrator || network-services-orchestrator --version

2. No fixed release: DOWNGRADE to a release before 4.4.1 (Debian / Ubuntu)

apt-cache madison network-services-orchestrator sudo apt install network-services-orchestrator=<VERSION_BEFORE_4.4.1> sudo apt-mark hold network-services-orchestrator

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list network-services-orchestrator sudo dnf downgrade network-services-orchestrator-<VERSION_BEFORE_4.4.1> sudo dnf versionlock add network-services-orchestrator

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

cisco small business rv series router firmware MITIGATE

Affected: 1.0.00.29 · 1.0.00.33 · 1.0.01.16 · 1.0.01.17 · 1.0.01.18 · 1.0.01.20 · 1.0.02.16 · 1.0.03.15

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.00.29

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-20381?

ios xr: mitigate or apply the listed mitigation; network services orchestrator: downgrade or apply the listed mitigation; small business rv series router firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-20381 being exploited?

CVE-2024-20381 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-20381 affect?

CVE-2024-20381 affects ios xr, network services orchestrator, small business rv series router firmware. Severity is high (CVSS 8.8). A vulnerability in the JSON-RPC API feature in Cisco Crosswork Network Services Orchestrator (NSO) and ConfD that is used by the web-based management interfaces of Cisco Optical Site Manager and Cisco RV340 Dual WAN Gigabit VPN Routers coul

How urgent is CVE-2024-20381?

Priority 43/100. High severity

Software pages

iOS vulnerabilities · Cisco vulnerabilities

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References

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