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CVE-2013-1621

14
FAUCET Score

CVE-2013-1621 is an array index error in the SSL module of PolarSSL versions prior to 1.2.5. This vulnerability could allow a remote attacker to cause a denial of service by sending a specially crafted padding-length value during TLS session CBC padding validation. Rated with a CVSS score of 4.3, it has a network attack vector, medium attack complexity, and a partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.2.4CPE matchmatch criteria
cpe:2.3:a:polarssl:polarssl:*:*:*:*:*:*:*:*
0.10.0CPE matchmatch criteria
cpe:2.3:a:polarssl:polarssl:0.10.0:*:*:*:*:*:*:*
0.10.1CPE matchmatch criteria
cpe:2.3:a:polarssl:polarssl:0.10.1:*:*:*:*:*:*:*
0.11.0CPE matchmatch criteria
cpe:2.3:a:polarssl:polarssl:0.11.0:*:*:*:*:*:*:*
0.11.1CPE matchmatch criteria
cpe:2.3:a:polarssl:polarssl:0.11.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

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

Exploit Intelligence

EPSS Score
2.07%
Probability of exploitation in next 30 days
EPSS Percentile
79.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0207 is in the 65th percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Remediation records are not available for this CVE.

References

openwall.com / lists/oss-security/2013/02/05/24
polarssl.org / tech-updates/releases/polarssl-1.2.5-released
PatchVendor Advisory
debian.org / security/2013/dsa-2622
isg.rhul.ac.uk / tls/TLStiming.pdf