CVE-2024-20497
CVE-2024-20497 is a medium-severity vulnerability in Cisco Expressway-e with a CVSS 3.x base score of 4.3. 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-285.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- EPSS exploit prediction: 0% (24th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-18212
- Weakness: CWE-285
- Affected product: Cisco Expressway-e
- Published:
- Last modified:
Description
A vulnerability in Cisco Expressway Edge (Expressway-E) could allow an authenticated, remote attacker to masquerade as another user on an affected system. This vulnerability is due to inadequate authorization checks for Mobile and Remote Access (MRA) users. An attacker could exploit this vulnerability by running a series of crafted commands. A successful exploit could allow the attacker to intercept calls that are destined for a particular phone number or to make phone calls and have that phone number appear on the caller ID. To successfully exploit this vulnerability, the attacker must be an MRA user on an affected system.
Frequently asked questions
- What is CVE-2024-20497?
- A vulnerability in Cisco Expressway Edge (Expressway-E) could allow an authenticated, remote attacker to masquerade as another user on an affected system. This vulnerability is due to inadequate authorization checks for Mobile and Remote Access (MRA) users. An attacker could exploit this vulnerability by running a series of crafted commands. A successful exploit could allow the attacker to intercept calls that are destined for a particular phone number or to make phone calls and have that phone number appear on the caller ID. To successfully exploit this vulnerability, the attacker must be an MRA user on an affected system.
- How severe is CVE-2024-20497?
- CVE-2024-20497 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2024-20497 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-20497?
- CVE-2024-20497 affects Cisco Expressway-e. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-20497?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-20497 have an EU (EUVD) identifier?
- Yes. CVE-2024-20497 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-18212.
- When was CVE-2024-20497 published?
- CVE-2024-20497 was published on 2024-09-04 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:cisco:expressway-e:*:*:*:*:*:*:*:*
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