How severe is CVE-2018-0201?

CVE-2018-0201 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-0201 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0201?

CVE-2018-0201 primarily affects Cisco Jabber. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-0201?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-0201 published?

CVE-2018-0201 was published on 2018-02-22 and last updated on 2026-06-17.

CVE-2018-0201

CVE-2018-0201 is a medium-severity vulnerability in Cisco Jabber with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cisco Jabber
Published: 2018-02-22
Last modified: 2026-06-17

Description

A vulnerability in Cisco Jabber Client Framework (JCF) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of an affected device. The vulnerability is due to improper neutralization of input during web page generation. An attacker could exploit this vulnerability by embedding media in instant messages. An exploit could allow the attacker to cause the recipient chat client to make outbound requests. Cisco Bug IDs: CSCve54001.

Frequently asked questions

What is CVE-2018-0201?: A vulnerability in Cisco Jabber Client Framework (JCF) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of an affected device. The vulnerability is due to improper neutralization of input during web page generation. An attacker could exploit this vulnerability by embedding media in instant messages. An exploit could allow the attacker to cause the recipient chat client to make outbound requests. Cisco Bug IDs: CSCve54001.
How severe is CVE-2018-0201?: CVE-2018-0201 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-0201 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0201?: CVE-2018-0201 primarily affects Cisco Jabber. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-0201?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-0201 published?: CVE-2018-0201 was published on 2018-02-22 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:cisco:jabber:11.9:*:*:*:*:windows:*:*
cpe:2.3:a:cisco:jabber:11.9\(.0\):*:*:*:*:windows:*:*
cpe:2.3:a:cisco:jabber:-:*:*:*:*:mac_os_x:*:*

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