CVE-2008-0633

NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Buffer overflow in Anon Proxy Server 0.102 and earlier, when user authentication is enabled, allows remote attackers to cause a denial of service (exception) via a user name with a large number of quotes, which triggers the overflow during escaping.

CVSS v3
—
EG Score
0.0(none)
EPSS
77.6%
KEV
Not listed

Published

February 6, 2008

Last Modified

April 23, 2026

References (8)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 4× in last 7d / 39× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-11 08:22 UTCEPSS rescore
  2. 2026-07-08 15:09 UTCEPSS rescore
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  1. 2026-06-21 01:56 UTCEPSS rescore
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  34. 2026-05-31 00:13 UTCEPSS rescore
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  36. 2026-05-30 23:05 UTCEG score recompute
  37. 2026-05-30 23:05 UTCGHSA enrichment
  38. 2026-05-29 13:40 UTCEPSS rescore
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  45. 2026-05-26 13:41 UTCEPSS rescore
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  47. 2026-05-24 16:42 UTCEPSS rescore
  48. 2026-05-22 21:15 UTCEPSS rescore
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  50. 2026-05-21 22:38 UTCEPSS rescore
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  55. 2026-05-18 21:29 UTCEPSS rescore
  56. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-31100✓ verified
    First seen Feb 4, 2008

    Anon Proxy Server 0.100/0.102 - Remote Authentication Buffer Overflow

    Open source ↗

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2008-0633?
CVE-2008-0633 is a none vulnerability published on February 6, 2008. Buffer overflow in Anon Proxy Server 0.102 and earlier, when user authentication is enabled, allows remote attackers to cause a denial of service (exception) via a user name with a large number of quotes, which triggers the overflow during escaping.
When was CVE-2008-0633 disclosed?
CVE-2008-0633 was first published in the National Vulnerability Database on February 6, 2008, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2008-0633 actively exploited?
CVE-2008-0633 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2008-0633?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2008-0633, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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