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CVE-2011-2474· NVD / CVE Program· CNA mitre

Directory traversal vulnerability in the HTTP Server in Sybase EAServer 6.3.1 Developer Edition allows remote attackers to read arbitrary fi

Directory traversal vulnerability in the HTTP Server in Sybase EAServer 6.3.1 Developer Edition allows remote attackers to read arbitrary files via a /.\../\../\ sequence in a path.

MediumCVSS 5.0 · v2.0—Weaponized No fix recorded
Published
Jun 9, 2011
Updated
Jun 16, 2026
EPSS
63.6% · 99th percentile
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Report tools

JSON

Action score

39

Monitor

Low priority for now.

CVSS
20 / 40 · 5.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
19 / 30 · 63.6%

Affected systems

VendorProduct
sybaseeaserver

Affected versions

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

  • sybase easerver6.3.1

Same product

sybase: all records

Other highest-scoring records for the same primary product.

  • CVE-2005-2297Stack-based buffer overflow in TreeAction.do in Sybase EAServer 4.2.5 through 5.2 allows remote authenticated users to execute arbitrary cod
    40Plan
  • CVE-2002-1861Sybase Enterprise Application Server 4.0, when running on Windows, allows remote attackers to retrieve files in the WEB-INF directory, which
    21Monitor
  • CVE-2012-4340Cross-site scripting (XSS) vulnerability in Sybase EAServer before 6.1 allows remote attackers to inject arbitrary web script or HTML via un
    17Monitor
  • CVE-2006-1829EAServer Manager in Sybase EAServer 5.2 and 5.3 allows remote authenticated users, possibly guests, to obtain password credentials of arbitr
    16Monitor
  • CVE-2006-2539Sybase EAServer 5.0 for HP-UX Itanium, 5.2 for IBM AIX, HP-UX PA-RISC, Linux x86, and Sun Solaris SPARC, and 5.3 for Sun Solaris SPARC does
    14Monitor

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

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×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
Metasploit moduleauxiliary/scanner/http/sybase_easerver_traversalSybase Easerver 6.3 Directory Traversalauxiliary2011-05-25

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. Metasploit-16 d
  2. Published
  3. TodaySep 30, 2026+5592 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

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
P · data can be read
Integrity
none
Availability
none
Attack complexity
Low
Confidentiality impact
P
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSS vector

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

nvd-primary

Root cause

A user-supplied file name is joined with the allowed directory, but the result is never checked to confirm it is still inside that directory.

The bug in code

The whole CWE-22 class

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

Vulnerable

ts
const file = path.join(ROOT, req.query.name);res.sendFile(file);

Fixed

ts
const file = path.resolve(ROOT, req.query.name);if (!file.startsWith(ROOT + path.sep)) {  return res.sendStatus(400);}res.sendFile(file);

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

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

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