How severe is CVE-2018-0100?

CVE-2018-0100 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-0100 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0100?

CVE-2018-0100 affects Cisco Anyconnect Secure Mobility Client. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-0100?

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

When was CVE-2018-0100 published?

CVE-2018-0100 was published on 2018-01-18 and last updated on 2026-06-17.

CVE-2018-0100

CVE-2018-0100 is a medium-severity vulnerability in Cisco Anyconnect Secure Mobility Client with a CVSS 3.x base score of 4.4. 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-611.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 3.6
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Cisco Anyconnect Secure Mobility Client
Published: 2018-01-18
Last modified: 2026-06-17

Description

A vulnerability in the Profile Editor of the Cisco AnyConnect Secure Mobility Client could allow an unauthenticated, local attacker to have read and write access to information stored in the affected system. The vulnerability is due to improper handling of the XML External Entity (XXE) entries when parsing an XML file. An attacker could exploit this vulnerability by injecting a crafted XML file with malicious entries, which could allow the attacker to read and write files. Cisco Bug IDs: CSCvg19341.

Frequently asked questions

What is CVE-2018-0100?: A vulnerability in the Profile Editor of the Cisco AnyConnect Secure Mobility Client could allow an unauthenticated, local attacker to have read and write access to information stored in the affected system. The vulnerability is due to improper handling of the XML External Entity (XXE) entries when parsing an XML file. An attacker could exploit this vulnerability by injecting a crafted XML file with malicious entries, which could allow the attacker to read and write files. Cisco Bug IDs: CSCvg19341.
How severe is CVE-2018-0100?: CVE-2018-0100 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-0100 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0100?: CVE-2018-0100 affects Cisco Anyconnect Secure Mobility Client. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-0100?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-0100 published?: CVE-2018-0100 was published on 2018-01-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:anyconnect_secure_mobility_client:*:*:*:*:*:*:*:*

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