Cisco Routed Passive Optical Network Cleartext Password Vulnerability

published 2024-09-11 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-18204

cvss: 8.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-09-11)

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.4	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

Cisco Cisco IOS XR Software
cisco ios_xr

Classification

Weakness

CWE-256 Plaintext Storage of a Password
CWE-522 Insufficiently Protected Credentials

Technology feeds

Cisco IOS rss critical rss

References

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

Sources

CVE List CVE-2024-20489
NVD CVE-2024-20489

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Summary