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CVE-2015-1027

16
FAUCET Score

CVE-2015-1027 describes an information disclosure vulnerability in Percona Toolkit before 2.2.13 and XtraBackup before 2.2.9. An attacker could exploit a flaw in the version checking subroutine to conduct silent HTTP downgrade and Man-in-the-Middle attacks, allowing them to modify server responses and retrieve sensitive MySQL configuration details. With a CVSS score of 5.9 (Medium), this vulnerability has high confidentiality impact due to the potential for information disclosure, but requires high attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.2.12CPE matchmatch criteria
cpe:2.3:a:percona:toolkit:*:*:*:*:*:*:*:*
<= 2.2.8CPE matchmatch criteria
cpe:2.3:a:percona:xtrabackup:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.20%
Probability of exploitation in next 30 days
EPSS Percentile
64.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0120 is in the 30th percentile among its peer group of 19,955 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, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

Remediation records are not available for this CVE.

References

bugs.launchpad.net / percona-toolkit/+bug/1408375
Issue TrackingThird Party Advisory
percona.com / blog/2015/05/06/percona-security-advisory-cve-2015-1027
ExploitMitigationVendor Advisory