How severe is CVE-2018-15374?

CVE-2018-15374 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-15374 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15374?

CVE-2018-15374 affects Cisco Ios Xe. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15374?

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

When was CVE-2018-15374 published?

CVE-2018-15374 was published on 2018-10-05 and last updated on 2026-06-17.

CVE-2018-15374

CVE-2018-15374 is a medium-severity vulnerability in Cisco Ios Xe with a CVSS 3.x base score of 6.7. 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-347.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v2: 7.2
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-347
Affected product: Cisco Ios Xe
Published: 2018-10-05
Last modified: 2026-06-17

Description

A vulnerability in the Image Verification feature of Cisco IOS XE Software could allow an authenticated, local attacker to install a malicious software image or file on an affected device. The vulnerability is due to the affected software improperly verifying digital signatures for software images and files that are uploaded to a device. An attacker could exploit this vulnerability by uploading a malicious software image or file to an affected device. A successful exploit could allow the attacker to bypass digital signature verification checks for software images and files and install a malicious software image or file on the affected device.

Frequently asked questions

What is CVE-2018-15374?: A vulnerability in the Image Verification feature of Cisco IOS XE Software could allow an authenticated, local attacker to install a malicious software image or file on an affected device. The vulnerability is due to the affected software improperly verifying digital signatures for software images and files that are uploaded to a device. An attacker could exploit this vulnerability by uploading a malicious software image or file to an affected device. A successful exploit could allow the attacker to bypass digital signature verification checks for software images and files and install a malicious software image or file on the affected device.
How severe is CVE-2018-15374?: CVE-2018-15374 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-15374 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15374?: CVE-2018-15374 affects Cisco Ios Xe. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15374?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-15374 published?: CVE-2018-15374 was published on 2018-10-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:cisco:ios_xe:16.6.1:*:*:*:*:*:*:*

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