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CVE-2021-40530

🗓️ 06 Sep 2021 19:15:00Reported by AttackerKBType 
attackerkb
 attackerkb🔗 attackerkb.com👁 4 Views

CVE-2021-40530 ElGamal in Crypto++ enables recovery via cross configuration attack against OpenPGP.

Related
Refs
ReporterTitlePublishedViews
Family
FreeBSD		cryptopp -- ElGamal implementation allows plaintext recovery
6 Sep 202100:00
–freebsd
Circl		CVE-2021-40530
5 Oct 202110:30
–circl
CNNVD		Crypto++ 加密问题漏洞
6 Sep 202100:00
–cnnvd
CVE		CVE-2021-40530
6 Sep 202118:44
–cve
Cvelist		CVE-2021-40530
6 Sep 202118:44
–cvelist
Debian CVE		CVE-2021-40530
6 Sep 202118:44
–debiancve
EUVD		EUVD-2021-27705
3 Oct 202520:07
–euvd
Fedora		[SECURITY] Fedora 33 Update: cryptopp-8.6.0-1.fc33
5 Oct 202100:47
–fedora
Fedora		[SECURITY] Fedora 35 Update: cryptopp-8.6.0-1.fc35
4 Oct 202100:15
–fedora
Fedora		[SECURITY] Fedora 34 Update: cryptopp-8.6.0-1.fc34
5 Oct 202116:17
–fedora
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SourceLink
listswww.lists.fedoraproject.org/archives/list/[email protected]/message/HGVBZ2TTRKCTYAZTRHTF6OBD4W37F5MT/
eprintwww.eprint.iacr.org/2021/923
cvewww.cve.mitre.org/cgi-bin/cvename.cgi
listswww.lists.fedoraproject.org/archives/list/[email protected]/message/57OJA2K5AHX5HAU2QBDRWLGIIUX7GASC/
listswww.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJYOZGWI7TD27SEXILSM6VUTPPEICDL7/
listswww.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/57OJA2K5AHX5HAU2QBDRWLGIIUX7GASC/
listswww.lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HGVBZ2TTRKCTYAZTRHTF6OBD4W37F5MT/
ibmwww.ibm.github.io/system-security-research-updates/2021/09/06/insecurity-elgamal-pt2
listswww.lists.fedoraproject.org/archives/list/[email protected]/message/VJYOZGWI7TD27SEXILSM6VUTPPEICDL7/
ibmwww.ibm.github.io/system-security-research-updates/2021/07/20/insecurity-elgamal-pt1
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25 Feb 2026 02:00Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.15.9
CVSS 22.6
EPSS0.01157
ElGamalCrypto++Cross configuration attackOpenPGPPlaintext recovery
4