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CVE-2015-4082

18
FAUCET Score

CVE-2015-4082 describes a vulnerability in attic before version 0.15 where the software fails to confirm unencrypted backups with the user. This flaw allows remote attackers with read and write privileges to an encrypted repository to access sensitive information by manipulating the repository's manifest type byte to indicate an unencrypted state. The vulnerability carries a CVSS v3 score of 6.5 (Medium), indicating a network-based attack with low complexity that can lead to high confidentiality impact without requiring user interaction. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.14CPE matchmatch criteria
cpe:2.3:a:attic_project:attic:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.47%
Probability of exploitation in next 30 days
EPSS Percentile
82.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0247 is in the 93rd percentile among its peer group of 21,951 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: atticFixed in: 0.15

Vendor Advisories (1)

pipGHSA-5x6q-ffwj-8vcfhigh

attic has improper verification of unencrypted backups

May 17, 2022

References

github.com / jborg/attic/commit/78f9ad1faba7193ca7f0acccbc13b1ff6ebf9072
Third Party Advisory
github.com / jborg/attic/issues/271
ExploitThird Party Advisory
openwall.com / lists/oss-security/2015/05/31/3
Mailing ListThird Party Advisory
securityfocus.com / bid/74821
Third Party AdvisoryVDB Entry