CVE-2012-2926

Exp

Atlassian JIRA before 5.0.1; Confluence before 3.5.16, 4.0 before 4.0.7, and 4.1 before 4.1.10; FishEye and Crucible before 2.5.8, 2.6 before 2.6.8, and 2.7 before 2.7.12; Bamboo before 3.3.4 and 3.4.x before 3.4.5; and Crowd before 2.0.9, 2.1 before 2.1.2, 2.2 before 2.2.9, 2.3 before 2.3.7, and 2.4 before 2.4.1 do not properly restrict the capabilities of third-party XML parsers, which allows remote attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors.

Published: 2012-05-22 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-2926 is rated High Exploit Risk (82.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 64.53%, 98th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2012-2926

EDB-ID Source Kind Published Link
37218 exploit_db edb 2012-05-17 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-2926

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-18 67.61% 64.53% -3.07%
2 2026-04-13 56.38% 67.61% +11.23%
3 2025-09-05 56.38%

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-2926

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.1 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.2 [email protected]
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 4.9 [email protected]

Weakness enumeration for CVE-2012-2926

Affected software / configurations for CVE-2012-2926

Vendor Product Version Raw CPE
atlassian bamboo < 3.3.4 cpe:2.3:a:atlassian:bamboo:*:*:*:*:*:*:*:*
atlassian bamboo >= 3.4, < 3.4.5 cpe:2.3:a:atlassian:bamboo:*:*:*:*:*:*:*:*
atlassian confluence < 3.5.16 cpe:2.3:a:atlassian:confluence:*:*:*:*:*:*:*:*
atlassian confluence_server >= 4.0, < 4.0.7 cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*
atlassian confluence_server >= 4.1, < 4.1.10 cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*
atlassian crowd < 2.0.9 cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*
atlassian crowd >= 2.1, < 2.1.2 cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*
atlassian crowd >= 2.2.0, < 2.2.9 cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*
atlassian crowd >= 2.3.0, < 2.3.7 cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*
atlassian crowd >= 2.4.0, < 2.4.1 cpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*
atlassian crucible < 2.5.8 cpe:2.3:a:atlassian:crucible:*:*:*:*:*:*:*:*
atlassian crucible >= 2.6, < 2.6.8 cpe:2.3:a:atlassian:crucible:*:*:*:*:*:*:*:*
atlassian crucible >= 2.7, < 2.7.12 cpe:2.3:a:atlassian:crucible:*:*:*:*:*:*:*:*
atlassian fisheye < 2.5.8 cpe:2.3:a:atlassian:fisheye:*:*:*:*:*:*:*:*
atlassian fisheye >= 2.6, < 2.6.8 cpe:2.3:a:atlassian:fisheye:*:*:*:*:*:*:*:*
atlassian fisheye >= 2.7, < 2.7.12 cpe:2.3:a:atlassian:fisheye:*:*:*:*:*:*:*:*
atlassian jira < 5.0.1 cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*

References for CVE-2012-2926

URL Tags
http://confluence.atlassian.com/display/BAMBOO/Bamboo+Security+Advisory+2012-05-17 Patch Vendor Advisory
http://confluence.atlassian.com/display/CROWD/Crowd+Security+Advisory+2012-05-17 Patch Vendor Advisory
http://confluence.atlassian.com/display/DOC/Confluence+Security+Advisory+2012-05-17 Patch Vendor Advisory
http://confluence.atlassian.com/display/FISHEYE/FishEye+and+Crucible+Security+Advisory+2012-05-17 Patch Vendor Advisory
http://confluence.atlassian.com/display/JIRA/JIRA+Security+Advisory+2012-05-17 Patch Vendor Advisory
http://osvdb.org/81993 Broken Link
http://secunia.com/advisories/49146 Not Applicable
http://www.securityfocus.com/bid/53595 Third Party Advisory VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/75682 Third Party Advisory VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/75697 Third Party Advisory VDB Entry
cvelogic Threat Intelligence