Heap-based buffer overflow in the file-sharing feature in WebEx Meetings Client in Cisco WebEx Meetings Server and WebEx Meeting Center allo
Heap-based buffer overflow in the file-sharing feature in WebEx Meetings Client in Cisco WebEx Meetings Server and WebEx Meeting Center allows remote attackers to execute arbitrary code via crafted data, aka Bug IDs CSCup62463 and CSCup58467.
- Published
- Jul 10, 2014
- Updated
- Jun 16, 2026
- EPSS
- 3.4% · 88th percentile
- CWE
- CWE-119
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Report tools
Action score
21
Monitor
Low priority for now.
- CVSS
- 20 / 40 · 5.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 3.4%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| cisco | webex meeting center | cpe:2.3:a:cisco:webex_meeting_center |
| cisco | webex meetings server | cpe:2.3:a:cisco:webex_meetings_server |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- cisco webex meeting centerall versions
- cisco webex meetings serverall versions
Same product
cisco: all recordsOther highest-scoring records for the same primary product.
- CVE-2016-1410Cisco WebEx Meeting Center Original Release Base allows remote attackers to obtain sensitive information about username validity by (1) atte31Monitor
- CVE-2015-4208Cisco WebEx Meeting Center does not properly restrict the content of URLs in GET requests, which allows remote attackers to obtain sensitive31Monitor
- CVE-2010-3270Stack-based buffer overflow in Cisco WebEx Meeting Center T27LB before SP21 EP3 and T27LC before SP22 allows user-assisted remote authentica28Monitor
- CVE-2017-12359A Buffer Overflow vulnerability in Cisco WebEx Network Recording Player for Advanced Recording Format (.arf) files could allow an attacker t27Monitor
- CVE-2015-4209Cisco WebEx Meeting Center does not properly determine authorization for reading a host calendar, which allows remote attackers to obtain se26Monitor
- CVE-2017-12366A vulnerability in Cisco WebEx Meeting Center could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack24Monitor
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
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
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.
No dated events beyond publication.
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 researchersFinders, 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
- Special conditions such as timing or configuration are required.
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
- High
- Confidentiality impact
- P
- Integrity impact
- P
- Availability impact
- P
Weakness class (CWE)
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory BufferCVSS vector
AV:N/AC:H/Au:N/C:P/I:P/A:P
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Overflow BuffersCAPEC-100likelihood: High · Very High
- Buffer ManipulationCAPEC-123likelihood: High · Very High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
- Filter Failure through Buffer OverflowCAPEC-24likelihood: High · High
- MIME ConversionCAPEC-42likelihood: High · High
- Overflow Binary Resource FileCAPEC-44likelihood: High · Very High
- Buffer Overflow via Symbolic LinksCAPEC-45likelihood: High · High
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 helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3311
- www.securityfocus.com/bid/68502
- www.securitytracker.com/id/1030550
- exchange.xforce.ibmcloud.com/vulnerabilities/94432
Vendor advisories and official records. Exploit/PoC links are deliberately left out.