How severe is CVE-2021-45818?

CVE-2021-45818 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-45818 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45818?

CVE-2021-45818 affects Safarimontage Safari Montage. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45818?

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

When was CVE-2021-45818 published?

CVE-2021-45818 was published on 2021-12-30 and last updated on 2026-06-17.

CVE-2021-45818

CVE-2021-45818 is a medium-severity vulnerability in Safarimontage Safari Montage with a CVSS 3.x base score of 6.1. 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Safarimontage Safari Montage
Published: 2021-12-30
Last modified: 2026-06-17

Description

SAFARI Montage 8.7.32 is affected by a CRLF injection vulnerability which can lead to HTTP response splitting.

Frequently asked questions

What is CVE-2021-45818?: SAFARI Montage 8.7.32 is affected by a CRLF injection vulnerability which can lead to HTTP response splitting.
How severe is CVE-2021-45818?: CVE-2021-45818 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-45818 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45818?: CVE-2021-45818 affects Safarimontage Safari Montage. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45818?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-45818 published?: CVE-2021-45818 was published on 2021-12-30 and last updated on 2026-06-17.

References

https://drive.google.com/file/d/19_O6Sfc0PvgEZD7m98a5heNNOp28ZfcE/view?usp=sharing

Affected products (1)

cpe:2.3:a:safarimontage:safari_montage:8.7.32:*:*:*:*:*:*:*

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