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CVE-2020-15879

HIGHCVSS 7.5/10EPSS 2.70%

Last modified

CVE-2020-15879 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Bitwarden Server 1.35.1 allows SSRF because it does not consider certain IPv6 addresses (ones beginning with fc, fd, fe, or ff, and the :: address) and certain IPv4 addresses (0.0.0.0/8, 127.0.0.0/8, and 169.254.0.0/16).. EPSS estimates a 2.70% chance of exploitation in the next 30 days.

Description

Bitwarden Server 1.35.1 allows SSRF because it does not consider certain IPv6 addresses (ones beginning with fc, fd, fe, or ff, and the :: address) and certain IPv4 addresses (0.0.0.0/8, 127.0.0.0/8, and 169.254.0.0/16).

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability
2.70%

84.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
BitwardenServer1.35.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-15879?
Bitwarden Server 1.35.1 allows SSRF because it does not consider certain IPv6 addresses (ones beginning with fc, fd, fe, or ff, and the :: address) and certain IPv4 addresses (0.0.0.0/8, 127.0.0.0/8, and 169.254.0.0/16).
How severe is CVE-2020-15879?
CVE-2020-15879 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.70% probability of exploitation in the next 30 days.
How do I fix CVE-2020-15879?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-15879?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST