How severe is CVE-2024-20489?

CVE-2024-20489 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-20489 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-20489?

CVE-2024-20489 primarily affects Cisco Ios Xr. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-20489?

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.

Does CVE-2024-20489 have an EU (EUVD) identifier?

Yes. CVE-2024-20489 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18204.

When was CVE-2024-20489 published?

CVE-2024-20489 was published on 2024-09-11 and last updated on 2026-06-17.

CVE-2024-20489

CVE-2024-20489 is a high-severity vulnerability in Cisco Ios Xr with a CVSS 3.x base score of 8.4. 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-522.

Key facts

Severity: High (CVSS 3.x base score 8.4)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-18204
Weakness: CWE-522
Affected product: Cisco Ios Xr
Published: 2024-09-11
Last modified: 2026-06-17

Description

A vulnerability in the storage method of the PON Controller configuration file could allow an authenticated, local attacker with low privileges to obtain the MongoDB credentials. This vulnerability is due to improper storage of the unencrypted database credentials on the device that is running Cisco IOS XR Software. An attacker could exploit this vulnerability by accessing the configuration files on an affected system. A successful exploit could allow the attacker to view MongoDB credentials.

Frequently asked questions

What is CVE-2024-20489?: A vulnerability in the storage method of the PON Controller configuration file could allow an authenticated, local attacker with low privileges to obtain the MongoDB credentials. This vulnerability is due to improper storage of the unencrypted database credentials on the device that is running Cisco IOS XR Software. An attacker could exploit this vulnerability by accessing the configuration files on an affected system. A successful exploit could allow the attacker to view MongoDB credentials.
How severe is CVE-2024-20489?: CVE-2024-20489 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-20489 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-20489?: CVE-2024-20489 primarily affects Cisco Ios Xr. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-20489?: 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.
Does CVE-2024-20489 have an EU (EUVD) identifier?: Yes. CVE-2024-20489 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18204.
When was CVE-2024-20489 published?: CVE-2024-20489 was published on 2024-09-11 and last updated on 2026-06-17.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-ponctlr-ci-OHcHmsFL

Affected products (5)

cpe:2.3:o:cisco:ios_xr:24.1.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:24.1.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:24.2.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:24.2.11:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:24.3.1:*:*:*:*:*:*:*

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