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CVE-2007-2171· NVD / CVE Program· CNA mitre

Stack-based buffer overflow in the base64_decode function in GWINTER.exe in Novell GroupWise (GW) WebAccess before 7.0 SP2 allows remote att

Stack-based buffer overflow in the base64_decode function in GWINTER.exe in Novell GroupWise (GW) WebAccess before 7.0 SP2 allows remote attackers to execute arbitrary code via long base64 content in an HTTP Basic Authentication request.

CriticalCVSS 10.0 · v2.0—No exploit No fix recorded
Published
Apr 24, 2007
Updated
Jun 16, 2026
EPSS
24.3% · 98th percentile
CWE
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Report tools

JSON

Action score

47

Plan

Add it to your regular patch cycle.

CVSS
40 / 40 · 10.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
7 / 30 · 24.3%

Affected systems

VendorProduct
novellgroupwise

Affected versions

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

  • novell groupwise7.0

Same product

novell: all records

Other highest-scoring records for the same primary product.

  • CVE-2012-0439An ActiveX control in gwcls1.dll in the client in Novell GroupWise 8.0 before 8.0.3 HP2 and 2012 before SP1 HP1 allows remote attackers to e
    49Plan
  • CVE-2008-2069Buffer overflow in Novell GroupWise 7 allows remote attackers to cause a denial of service or execute arbitrary code via a long argument in
    47Plan
  • CVE-2012-0271Integer overflow in the WebConsole component in gwia.exe in GroupWise Internet Agent (GWIA) in Novell GroupWise 8.0 before 8.0.3 HP1 and 201
    45Plan
  • CVE-2013-0804The client in Novell GroupWise 8.0 before 8.0.3 HP2 and 2012 before SP1 HP1 allows remote attackers to execute arbitrary code or cause a den
    44Plan
  • CVE-2010-4711Double free vulnerability in the IMAP server component in GroupWise Internet Agent (GWIA) in Novell GroupWise before 8.02HP allows remote at
    44Plan
  • CVE-2010-4326Multiple buffer overflows in gwwww1.dll in GroupWise Internet Agent (GWIA) in Novell GroupWise before 8.02HP allow remote attackers to execu
    43Plan

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.

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.

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

Weakness class (CWE)

—

CVSS vector

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

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.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

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