CVE-2013-1349Opensis Code Injection
Eval injection vulnerability in ajax.php in openSIS 4.5 through 5.2 allows remote attackers to execute arbitrary PHP code via the modname parameter.
Published Dec 9, 2013 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2013-1349 is a high-severity vulnerability (CVSS 7.5 v2) affecting Opensis (Os4ed).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 23% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
23%
Higher than 97.7% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
50/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
2
Reports of active use
Advisories And Exploit References
- advisory55913
- patchhttp://sourceforge.net/p/opensis-ce/code/1009
Description
Eval injection vulnerability in ajax.php in openSIS 4.5 through 5.2 allows remote attackers to execute arbitrary PHP code via the modname parameter.
Affected Products
9 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| OpensisOs4ed | 4.5, 4.6, 4.7, 4.8, 4.8.1, 4.9, 5.0, 5.1 | n/a |
Timeline
Publicly disclosed
Dec 9, 2013
Last updated
Apr 28, 2026
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References
- advisory55913
- patchsourceforge.net · 1009
- exploitkarmainsecurity.com · KIS-2013-10
- exploitMSF opensis_modname_exec.rb
- exploitsourceforge.net · 59
FAQ
Common Questions.
Eval injection vulnerability in ajax.php in openSIS 4.5 through 5.2 allows remote attackers to execute arbitrary PHP code via the modname parameter.
Affected: Opensis (Os4ed) versions 4.5, 4.6, 4.7, 4.8, 4.8.1, 4.9, 5.0, 5.1. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2013-1349 On Your Attack Surface?
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