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CVE-2015-4633

43
FAUCET Score

CVE-2015-4633 describes multiple critical SQL injection vulnerabilities in various versions of the Koha integrated library system (3.14.x, 3.16.x, 3.18.x, and 3.20.x). Attackers can exploit these flaws through the OPAC interface via the number parameter or, for authenticated users, through the Staff interface using the Filter or Criteria parameters. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low complexity, and potential for complete compromise of confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, exploit code is publicly available on ExploitDB, and the CVE has garnered significant community discussion, indicating awareness and potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.14.00, < 3.14.16CPE matchmatch criteria
cpe:2.3:a:koha:koha:*:*:*:*:*:*:*:*
>= 3.16.00, < 3.16.12CPE matchmatch criteria
cpe:2.3:a:koha:koha:*:*:*:*:*:*:*:*
>= 3.18.00, < 3.18.08CPE matchmatch criteria
cpe:2.3:a:koha:koha:*:*:*:*:*:*:*:*
>= 3.20.00, < 3.20.01CPE matchmatch criteria
cpe:2.3:a:koha:koha:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
6.02%
Probability of exploitation in next 30 days
EPSS Percentile
92.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-23
Model: v2026.06.15
ExploitDB: EDB-37387 · Jun 26, 2015
This CVE's current EPSS score of 0.0602 is in the 87th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bugs.koha-community.org / bugzilla3/show_bug.cgi
ExploitIssue Tracking
bugs.koha-community.org / bugzilla3/show_bug.cgi
ExploitIssue TrackingThird Party Advisory
koha-community.org / koha-3-14-16-released
Release Notes
koha-community.org / security-release-koha-3-16-12
Release Notes
koha-community.org / security-release-koha-3-18-8
Release Notes
koha-community.org / security-release-koha-3-20-1
Release Notes
packetstormsecurity.com / files/132458/Koha-ILS-3.20.x-CSRF-XSS-Traversal-SQL-Injection.html
ExploitThird Party AdvisoryVDB Entry
seclists.org / fulldisclosure/2015/Jun/80
ExploitMailing ListThird Party Advisory
exploit-db.com / exploits/37387
ExploitThird Party AdvisoryVDB Entry
sba-research.org / 2015/06/24/researchers-of-sba-research-found-several-critical-security-vulnerabilities-in-the-koha-library-software-via-combinatorial-testing
ExploitRelease NotesThird Party Advisory