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CVE-2013-1445

18
FAUCET Score

CVE-2013-1445 describes a vulnerability in the Crypto.Random.atfork function of PyCrypto versions prior to 2.6.1, where the pseudo-random number generator (PRNG) is not properly reseeded after a fork. This flaw allows context-dependent attackers to potentially obtain sensitive information by exploiting a race condition when a child process accesses the PRNG within the same rate-limit period as another process. With a CVSS score of 4.3, this vulnerability has a network attack vector and medium attack complexity, leading to a partial confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.6CPE matchmatch criteria
cpe:2.3:a:dlitz:pycrypto:*:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:dlitz:pycrypto:1.0.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:dlitz:pycrypto:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:dlitz:pycrypto:1.0.2:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:dlitz:pycrypto:2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.73%
Probability of exploitation in next 30 days
EPSS Percentile
75.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0173 is in the 53rd percentile among its peer group of 19,954 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: pycryptoFixed in: 2.6.1

Vendor Advisories (2)

pipGHSA-x377-f64p-hf5jhigh

PyCrypto does not properly reseed PRNG before allowing access

May 17, 2022
redhatCVE-2013-1445Low

python-crypto: PRNG not correctly reseeded in some situations

Oct 17, 2013

References

github.com / dlitz/pycrypto/commit/19dcf7b15d61b7dc1a125a367151de40df6ef175
Exploit
debian.org / security/2013/dsa-2781
openwall.com / lists/oss-security/2013/10/17/3
ExploitPatch