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CVE-2010-1633

23
FAUCET Score

CVE-2010-1633 describes a vulnerability in the EVP_PKEY_verify_recover function of OpenSSL 1.x before 1.0.0a, where RSA verification failure could return uninitialized memory. This flaw could allow attackers to bypass key requirements or obtain sensitive information. With a CVSS score of 6.4, it is considered a medium-severity vulnerability, requiring no authentication and having low attack complexity, potentially leading to partial confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.0CPE matchmatch criteria
cpe:2.3:a:openssl:openssl:1.0.0:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:openssl:openssl:1.0.0:beta1:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:openssl:openssl:1.0.0:beta2:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:openssl:openssl:1.0.0:beta3:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:openssl:openssl:1.0.0:beta4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.4MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.39%
Probability of exploitation in next 30 days
EPSS Percentile
82.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0239 is in the 73rd percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2010-1633

openssl: information leak due to invalid Return value check

Jun 1, 2010

References

cvs.openssl.org / chngview
cvs.openssl.org / filediff
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/40024
Vendor Advisory
secunia.com / advisories/57353
www-01.ibm.com / support/docview.wss
openssl.org / news/secadv_20100601.txt
securityfocus.com / bid/40503
vupen.com / english/advisories/2010/1313
PatchVendor Advisory