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CVE-2015-2838· NVD / CVE Program· CNA mitre

Cross-site request forgery (CSRF) vulnerability in Nitro API in Citrix NetScaler before 10.5 build 52.3nc allows remote attackers to hijack

Cross-site request forgery (CSRF) vulnerability in Nitro API in Citrix NetScaler before 10.5 build 52.3nc allows remote attackers to hijack the authentication of administrators for requests that execute arbitrary commands as nsroot via shell metacharacters in the file_name JSON member in params/xen_hotfix/0 to nitro/v1/config/xen_hotfix.

MediumCVSS 6.8 · v2.0—Proof of concept No fix recorded

Noroxi analysis

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Published
Apr 3, 2015
Updated
Jun 16, 2026
EPSS
2.9% · 86th percentile
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Report tools

JSON

Action score

28

Monitor

Low priority for now.

CVSS
27 / 40 · 6.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.9%

Affected systems

VendorProduct
citrixnetscaler

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • citrix netscaler10.5

Same product

citrix: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-6186Citrix NetScaler VPX through NS12.0 53.13.nc allows an SSRF attack via the /rapi/read_url URI by an authenticated attacker who has a webapp
    36Monitor
  • CVE-2015-2841Citrix NetScaler AppFirewall, as used in NetScaler 10.5, allows remote attackers to bypass intended firewall restrictions via a crafted Cont
    22Monitor
  • CVE-2007-6193The web management interface in Citrix NetScaler 8.0 build 47.8 stores the device's primary IP address in a cookie, which might allow remote
    20Monitor
  • CVE-2015-2840Cross-site scripting (XSS) vulnerability in help/rt/large_search.html in Citrix NetScaler before 10.5 build 52.3nc allows remote attackers t
    18Monitor
  • CVE-2015-2839The Nitro API in Citrix NetScaler before 10.5 build 52.3nc uses an incorrect Content-Type when returning an error message, which allows remo
    18Monitor
  • CVE-2007-6037Cross-site scripting (XSS) vulnerability in ws/generic_api_call.pl in Citrix NetScaler 8.0 build 47.8 allows remote attackers to inject arbi
    18Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Exploit-DB entry ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entrywebapps2015-03-19

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. First PoC-15 d
  2. Published
  3. TodaySep 30, 2026+4198 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

    If successful

    Confidentiality
    P · data can be read
    Integrity
    P · data or configuration can be modified
    Availability
    P · the service can be disrupted
    Attack complexity
    M
    Confidentiality impact
    P
    Integrity impact
    P
    Availability impact
    P

    Weakness class (CWE)

    CWE-352 · Cross-Site Request Forgery (CSRF)

    CVSS vector

    AV:N/AC:M/Au:N/C:P/I:P/A:P

    nvd-primary

    Root cause

    State-changing requests rely on the session cookie the browser sends automatically; nothing verifies that the request came from the user’s own page.

    The bug in code

    The whole CWE-352 class

    A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

    Vulnerable

    ts
    app.use(session({ cookie: { httpOnly: true } }));app.post("/account/address", updateAddress);

    Fixed

    ts
    app.use(session({ cookie: { httpOnly: true, sameSite: "lax" } }));app.post("/account/address", csrfProtection, updateAddress);

    Attack context

    MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

    ATT&CK techniques

    —

    Change log

    No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

    References

    Vendor advisories and official records. Exploit/PoC links are deliberately left out.

    All records