How severe is CVE-2020-27955?

CVE-2020-27955 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-27955 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 83% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27955?

CVE-2020-27955 affects Git Large File Storage Project Git Large File Storage. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27955?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-27955 published?

CVE-2020-27955 was published on 2020-11-05 and last updated on 2026-06-17.

CVE-2020-27955

CVE-2020-27955 is a critical-severity vulnerability in Git Large File Storage Project Git Large File Storage with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 83% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-427.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 83% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Git Large File Storage Project Git Large File Storage
Published: 2020-11-05
Last modified: 2026-06-17

Description

Git LFS 2.12.0 allows Remote Code Execution.

Frequently asked questions

What is CVE-2020-27955?: Git LFS 2.12.0 allows Remote Code Execution.
How severe is CVE-2020-27955?: CVE-2020-27955 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-27955 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 83% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27955?: CVE-2020-27955 affects Git Large File Storage Project Git Large File Storage. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27955?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-27955 published?: CVE-2020-27955 was published on 2020-11-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:git_large_file_storage_project:git_large_file_storage:2.12.0:*:*:*:*:*:*:*

More vulnerabilities in Git Large File Storage Project Git Large File Storage

CVE-2022-24826 — Critical (CVSS 9.8): On Windows, if Git LFS operates on a malicious repository with a `..exe` file as well as a file named `git.exe`, and…
CVE-2017-17831 — High (CVSS 8.8): GitHub Git LFS before 2.1.1 allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash…
CVE-2021-21237 — High (CVSS 7.2): Git LFS is a command line extension for managing large files with Git. On Windows, if Git LFS operates on a malicious…

All CVEs affecting Git Large File Storage Project Git Large File Storage →

Other CWE-427 (Uncontrolled Search Path Element) vulnerabilities

CVE-2025-4981 — Critical (CVSS 9.9): Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to…
CVE-2025-69599 — Critical (CVSS 9.8): RayVentory Scan Engine through 12.6 Update 8 allows attackers to gain privileges if they control the value of the PATH…
CVE-2019-25268 — Critical (CVSS 9.8): NREL BEopt 2.8.0.0 contains a DLL hijacking vulnerability that allows attackers to load arbitrary libraries by tricking…
CVE-2023-53959 — Critical (CVSS 9.8): FileZilla Client 3.63.1 contains a DLL hijacking vulnerability that allows attackers to execute malicious code by…
CVE-2025-65741 — Critical (CVSS 9.8): Sublime Text 3 Build 3208 or prior for MacOS is vulnerable to Dylib Injection. An attacker could compile a .dylib file…
CVE-2024-23054 — Critical (CVSS 9.8): An issue in Plone Docker Official Image 5.2.13 (5221) open-source software that could allow for remote code execution…

Browse all CWE-427 (Uncontrolled Search Path Element) vulnerabilities →