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CVE-2015-0278

32
FAUCET Score

CVE-2015-0278 describes a critical privilege escalation vulnerability in libuv versions prior to 0.10.34, affecting products like Fedora and Node.js. The flaw stems from improper handling of group privileges, allowing attackers to gain elevated access through unspecified vectors. With a CVSS score of 10.0, this vulnerability is highly severe, indicating a network-based attack with no authentication required, leading to complete compromise of confidentiality, integrity, and availability. Despite its critical severity, there is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting it is not currently a high-profile threat.

Impacted Technologies

VendorProductVersion(s)CPE
21CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
<= 0.10.33CPE matchmatch criteria
cpe:2.3:a:libuv_project:libuv:*:*:*:*:*:*:*:*
< 0.10.37CPE matchmatch criteria
cpe:2.3:a:nodejs:node.js:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.24%
Probability of exploitation in next 30 days
EPSS Percentile
87.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0324 is in the 77th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: nodejs010-libuv

Vendor Advisories (1)

redhatCVE-2015-0278Moderate

libuv: incorrect revocation order while relinquishing privileges

Feb 10, 2014

References

advisories.mageia.org / MGASA-2015-0186.html
Third Party Advisory
github.com / libuv/libuv/commit/66ab38918c911bcff025562cf06237d7fedaba0c
PatchThird Party Advisory
github.com / libuv/libuv/pull/215
Third Party Advisory
groups.google.com / forum
lists.fedoraproject.org / pipermail/package-announce/2015-February/150526.html
Third Party Advisory
security.gentoo.org / glsa/201611-10
Third Party Advisory
mandriva.com / security/advisories
Third Party Advisory