CVE-2005-4900 (GCVE-0-2005-4900)
Vulnerability from cvelistv5 – Published: 2016-10-14 16:00 – Updated: 2026-05-22 16:18
VLAI
EPSS
VEX
Summary
SHA-1 is not collision resistant, which makes it easier for context-dependent attackers to conduct spoofing attacks, as demonstrated by attacks on the use of SHA-1 in TLS 1.2. NOTE: this CVE exists to provide a common identifier for referencing this SHA-1 issue; the existence of an identifier is not, by itself, a technology recommendation.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-22 16:17 UTC
CWE
- n/a
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
11 references
| URL | Tags |
|---|---|
| https://sites.google.com/site/itstheshappening | x_refsource_MISC |
| http://www.securityfocus.com/bid/12577 | vdb-entryx_refsource_BID |
| http://shattered.io/ | x_refsource_MISC |
| https://www.schneier.com/blog/archives/2005/08/ne… | x_refsource_MISC |
| http://www.cwi.nl/news/2017/cwi-and-google-announ… | x_refsource_MISC |
| http://ia.cr/2007/474 | x_refsource_MISC |
| https://security.googleblog.com/2017/02/announcin… | x_refsource_MISC |
| https://security.googleblog.com/2015/12/an-update… | x_refsource_MISC |
| https://www.schneier.com/blog/archives/2005/02/sh… | x_refsource_MISC |
| https://arstechnica.com/security/2017/02/at-death… | x_refsource_MISC |
| https://kc.mcafee.com/corporate/index?page=conten… | x_refsource_CONFIRM |
Date Public
2005-02-15 00:00
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NOTA: esta CVE existe para dar un identificador com\u00fan para referenciar este problema de SHA-1; la existencia de un identificador no es, en si misma, una recomendaci\u00f3n tecnol\u00f3gica.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":5.9,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.2,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:N/A:N\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-326\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"47.0.2526.111\",\"matchCriteriaId\":\"AFB52550-C3FC-4CDD-AA6E-500BD3304241\"}]}]}],\"references\":[{\"url\":\"http://ia.cr/2007/474\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://shattered.io/\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.cwi.nl/news/2017/cwi-and-google-announce-first-collision-industry-security-standard-sha-1\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://www.securityfocus.com/bid/12577\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://arstechnica.com/security/2017/02/at-deaths-door-for-years-widely-used-sha1-function-is-now-dead/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10340\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://security.googleblog.com/2015/12/an-update-on-sha-1-certificates-in.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.googleblog.com/2017/02/announcing-first-sha1-collision.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://sites.google.com/site/itstheshappening\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.schneier.com/blog/archives/2005/02/sha1_broken.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.schneier.com/blog/archives/2005/08/new_cryptanalyt.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://ia.cr/2007/474\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://shattered.io/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.cwi.nl/news/2017/cwi-and-google-announce-first-collision-industry-security-standard-sha-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/12577\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://arstechnica.com/security/2017/02/at-deaths-door-for-years-widely-used-sha1-function-is-now-dead/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10340\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.googleblog.com/2015/12/an-update-on-sha-1-certificates-in.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.googleblog.com/2017/02/announcing-first-sha1-collision.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://sites.google.com/site/itstheshappening\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.schneier.com/blog/archives/2005/02/sha1_broken.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.schneier.com/blog/archives/2005/08/new_cryptanalyt.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}],\"evaluatorComment\":\"SHA-1 is likely present in a large number of products across the entire IT sector. The applicability statement for this CVE will be updated when specific products are identified, as time and resources permit.\"}}",
"suse_vex": {
"aggregate_severity": "low",
"current_release_date": "2026-09-06T00:04:38Z",
"cve": "CVE-2005-4900",
"id": "CVE-2005-4900",
"initial_release_date": "2023-02-15T06:16:28Z",
"product_status:known_affected": "130",
"product_status:known_not_affected": "143",
"product_status:recommended": "920",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2005-4900",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2005-4900.json",
"version": "31"
},
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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