CVE-2007-4903
CVE-2007-4903 is a high-severity vulnerability in Ultra Shareware Ultra Crypto Component with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 2.0 base score 7.5)
- EPSS exploit prediction: 9% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Ultra Shareware Ultra Crypto Component
- Published:
- Last modified:
Description
Multiple buffer overflows in a certain ActiveX control in CryptoX.dll 2.0 and earlier in the Ultra Crypto Component allow remote attackers to execute arbitrary code via (1) a long string in the first argument to the AcquireContext method or (2) an unspecified vector to the DeleteContext method.
Frequently asked questions
- What is CVE-2007-4903?
- Multiple buffer overflows in a certain ActiveX control in CryptoX.dll 2.0 and earlier in the Ultra Crypto Component allow remote attackers to execute arbitrary code via (1) a long string in the first argument to the AcquireContext method or (2) an unspecified vector to the DeleteContext method.
- How severe is CVE-2007-4903?
- CVE-2007-4903 has a CVSS 2.0 base score of 7.5, rated high severity.
- Is CVE-2007-4903 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2007-4903?
- CVE-2007-4903 affects Ultra Shareware Ultra Crypto Component. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2007-4903?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2007-4903 published?
- CVE-2007-4903 was published on 2007-09-17 and last updated on 2026-06-16.
References
- http://osvdb.org/38979
- http://www.securityfocus.com/bid/25609
- http://www.securitytracker.com/id?1018674
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36524
- https://www.exploit-db.com/exploits/4389
Affected products (1)
- cpe:2.3:a:ultra_shareware:ultra_crypto_component:2.0.2007.801:*:*:*:*:*:*:*
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- CVE-2007-4902 — Medium (CVSS 6.4): Absolute path traversal vulnerability in a certain ActiveX control in CryptoX.dll 2.0 and earlier in the Ultra Crypto…
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