How severe is CVE-2022-3029?

CVE-2022-3029 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-3029 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-3029?

CVE-2022-3029 affects Nlnetlabs Routinator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-3029?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-3029 published?

CVE-2022-3029 was published on 2022-09-13 and last updated on 2026-06-17.

CVE-2022-3029

CVE-2022-3029 is a high-severity vulnerability in Nlnetlabs Routinator with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-241.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-241
Affected product: Nlnetlabs Routinator
Published: 2022-09-13
Last modified: 2026-06-17

Description

In NLnet Labs Routinator 0.9.0 up to and including 0.11.2, due to a mistake in error handling, data in RRDP snapshot and delta files that isn’t correctly base 64 encoded is treated as a fatal error and causes Routinator to exit. Worst case impact of this vulnerability is denial of service for the RPKI data that Routinator provides to routers. This may stop your network from validating route origins based on RPKI data. This vulnerability does not allow an attacker to manipulate RPKI data.

Frequently asked questions

What is CVE-2022-3029?: In NLnet Labs Routinator 0.9.0 up to and including 0.11.2, due to a mistake in error handling, data in RRDP snapshot and delta files that isn’t correctly base 64 encoded is treated as a fatal error and causes Routinator to exit. Worst case impact of this vulnerability is denial of service for the RPKI data that Routinator provides to routers. This may stop your network from validating route origins based on RPKI data. This vulnerability does not allow an attacker to manipulate RPKI data.
How severe is CVE-2022-3029?: CVE-2022-3029 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-3029 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-3029?: CVE-2022-3029 affects Nlnetlabs Routinator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-3029?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-3029 published?: CVE-2022-3029 was published on 2022-09-13 and last updated on 2026-06-17.

References

https://www.nlnetlabs.nl/downloads/routinator/CVE-2022-3029.txt

Affected products (1)

cpe:2.3:a:nlnetlabs:routinator:*:*:*:*:*:*:*:*

More vulnerabilities in Nlnetlabs Routinator

CVE-2023-39916 — Critical (CVSS 9.3): NLnet Labs’ Routinator 0.9.0 up to and including 0.12.1 as well as 0.14.0 up to and including 0.14.2 contains a…
CVE-2026-49235 — High (CVSS 7.5): When Routinator encounters a file via RRDP using a specifically crafted Document Type Definition, Routinator crashes.
CVE-2026-49234 — High (CVSS 7.5): When sending a specifically crafted non-UTF-8 string as select-asn query parameter to the /api/v1/origins endpoint,…
CVE-2026-49233 — High (CVSS 7.5): Routinator does not properly check the module component of rsync URIs, which are used to create the file system paths…
CVE-2024-1622 — High (CVSS 7.5): Due to a mistake in error checking, Routinator will terminate when an incoming RTR connection is reset by the peer too…
CVE-2023-39915 — High (CVSS 7.5): NLnet Labs' Routinator up to and including version 0.12.1 may crash when trying to parse certain malformed RPKI…

All CVEs affecting Nlnetlabs Routinator →

Other CWE-241 vulnerabilities

CVE-2021-40116 — High (CVSS 8.6): Multiple Cisco products are affected by a vulnerability in Snort rules that could allow an unauthenticated, remote…
CVE-2022-39064 — High (CVSS 8.1): An attacker sending a single malformed IEEE 802.15.4 (Zigbee) frame makes the TRÅDFRI bulb blink, and if they replay…
CVE-2025-63548 — High (CVSS 7.5): An issue in Eprosima Micro-XREC-DDS Agent v.3.0.1 allows a remote attacker to cause a denial of service via a packet…
CVE-2025-2268 — High (CVSS 7.5): The HP LaserJet MFP M232-M237 Printer Series may be vulnerable to a denial of service attack when a specially crafted…
CVE-2022-24668 — High (CVSS 7.5): A program using swift-nio-http2 is vulnerable to a denial of service attack caused by a network peer sending ALTSVC or…
CVE-2026-47110 — Medium (CVSS 6.5): Tiptap for PHP before version 2.1.1 contains an input validation vulnerability that allows authenticated attackers to…

Browse all CWE-241 vulnerabilities →