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Fencer Intel
medium 5.9

CVE-2015-1027 json

The version checking subroutine in percona-toolkit before 2.2.13 and xtrabackup before 2.2.9 was vulnerable to silent HTTP downgrade attack…

published 2017-09-28 9 y ago modified 2026-06-17 4 mo ago also EUVD-2015-1171

cvss
5.9
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

The version checking subroutine in percona-toolkit before 2.2.13 and xtrabackup before 2.2.9 was vulnerable to silent HTTP downgrade attacks and Man In The Middle attacks in which the server response could be modified to allow the attacker to respond with modified command payload and have the client return additional running configuration information leading to an information disclosure of running configuration of MySQL.

Patch / fix

  • percona-toolkit Debian 14, Debian 13, Debian 12 2.2.13-1

debian advisories DEBIAN-CVE-2015-1027

  • percona-toolkit openSUSE Tumbleweed 2.2.18-1.1
  • xtrabackup openSUSE Tumbleweed 2.3.5-1.3

opensuse advisories openSUSE-SU-2024:10095-1openSUSE-SU-2024:10120-1

Exploit prediction

1.20% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • percona.com https://www.percona.com/blog/2015/05/06/percona-security-advisory-cve-2015-1027/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.