VMware Authentication Daemon 1.0 in vmware-authd.exe in the VMware Authorization Service in VMware Workstation 7.0 before 7.0.1 build 227600
VMware Authentication Daemon 1.0 in vmware-authd.exe in the VMware Authorization Service in VMware Workstation 7.0 before 7.0.1 build 227600 and 6.5.x before 6.5.4 build 246459, VMware Player 3.0 before 3.0.1 build 227600 and 2.5.x before 2.5.4 build 246459, VMware ACE 2.6 before 2.6.1 build 227600 and 2.5.x before 2.5.4 build 246459, and VMware Server 2.x allows remote attackers to cause a denial of service (process crash) via a \x25\xFF sequence in the USER and PASS commands, related to a "format string DoS" issue. NOTE: some of these details are obtained from third party information.
- Published
- Oct 16, 2009
- Updated
- Jun 16, 2026
- EPSS
- 11.1% · 96th percentile
- CWE
- CWE-134
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Report tools
Action score
23
Monitor
Low priority for now.
- CVSS
- 20 / 40 · 5.0 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 3 / 30 · 11.1%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| vmware | ace | cpe:2.3:a:vmware:ace |
| vmware | player | cpe:2.3:a:vmware:player |
| vmware | server | cpe:2.3:a:vmware:server |
| vmware | workstation | cpe:2.3:a:vmware:workstation |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- vmware ace2.5.0
- vmware ace2.5.1
- vmware ace2.5.2
- vmware ace2.5.3
- vmware ace2.5.4
- vmware ace2.6
- vmware ace2.6.1
- vmware player2.5
- vmware player2.5.1
- vmware player2.5.2
- vmware player2.5.3
- vmware player2.5.4
- vmware player3.0
- vmware player3.0.1
- vmware server2.0.0
- vmware server2.0.1
- vmware server2.0.2
- vmware workstation6.5.0
- vmware workstation6.5.1
- vmware workstation6.5.2
Same product
vmware: all recordsOther highest-scoring records for the same primary product.
- CVE-2008-3892Buffer overflow in a certain ActiveX control in the COM API in VMware Workstation 5.5.x before 5.5.8 build 108000, VMware Workstation 6.0.x 47Plan
- CVE-2007-0063Integer underflow in the DHCP server in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build 55017, Player before 1.0.46Plan
- CVE-2009-3732Format string vulnerability in vmware-vmrc.exe build 158248 in VMware Remote Console (aka VMrc) allows remote attackers to execute arbitrary45Plan
- CVE-2005-4459Heap-based buffer overflow in the NAT networking components vmnat.exe and vmnet-natd in VMWare Workstation 5.5, GSX Server 3.2, ACE 1.0.1, a44Plan
- CVE-2007-0062Integer overflow in the ISC dhcpd 3.0.x before 3.0.7 and 3.1.x before 3.1.1; and the DHCP server in EMC VMware Workstation before 5.5.5 Buil42Plan
- CVE-2007-0061The DHCP server in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build 55017, Player before 1.0.5 Build 56455 and Pla42Plan
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.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | dos | 2009-10-07 |
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.
- First PoC-10 d
- Published
- TodaySep 30, 2026+6193 d
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
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- P · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- P
Weakness class (CWE)
CWE-134 · Use of Externally-Controlled Format StringCVSS vector
AV:N/AC:L/Au:N/C:N/I:N/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)
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
- archives.neohapsis.com/archives/bugtraq/2010-04/0077.html
- archives.neohapsis.com/archives/fulldisclosure/2010-04/0121.html
- lists.vmware.com/pipermail/security-announce/2010/000090.html
- secunia.com/advisories/36988
- secunia.com/advisories/39206
- secunia.com/advisories/39215
- security.gentoo.org/glsa/glsa-201209-25.xml
- securitytracker.com/id?1022997
- www.securityfocus.com/bid/36630
- www.shinnai.net/exploits/abFwcLOuFqmD20yqhYpQ.txt
- www.shinnai.net/index.php?mod=02_Forum&group=02_Bugs_and_Exploits&argument=01_Remote&topic=1254924405.ff.php
- www.vmware.com/security/advisories/VMSA-2010-0007.html
Vendor advisories and official records. Exploit/PoC links are deliberately left out.